JP4458440B1 - Feeding device in the aquarium - Google Patents

Abstract

[PROBLEMS] Anyone can easily apply to a wide range of aquatic organisms with a simple structure, and the food is not scattered in the aquarium, and the powerful aquatic organisms and the weak aquatic organisms can prey on the food evenly. Provided is an aquarium feeding device capable of
A feeding device (1) for feeding a feed (70) to aquatic organisms grown in a water tank (50), a main body (10) formed in a rod shape, and installed in one end of the main body (10). The insertion part 12 inserted in the soil 54 made, and the umbrella-shaped members 20 and 22 provided so that it could slide to a longitudinal direction with respect to the insertion part 12 and opened below are provided.
[Selection] Figure 1

Description

  The present invention relates to a feeding device for aquatic organisms that are widely cultivated in an aquarium, including ornamental fish.

  Conventionally, various feeding devices for aquatic organisms grown in a water tank represented by tropical fish and goldfish are known as follows.

  For example, Patent Document 1 discloses a feeding device that drops and puts bait stored in a hopper in advance into a water tank under predetermined conditions.

  Patent Document 2 discloses a feeding device that balances a bait storage case with a float and a weight and feeds the bait at a desired position in water.

  Further, Patent Document 3 discloses a feeding device that controls a feeding amount or the like using a magnet or the like in order to feed a fish (aquatic organism) without excess or deficiency.

Japanese Patent Laid-Open No. 2003-102322 Japanese Utility Model Publication No. 48-22387 JP 2002-50269 A

  However, since the feeding apparatus described in Patent Document 1 directly drops and throws food into the water tank, the food is scattered in the water tank. In addition, since not all of the food dropped and thrown in is immediately preyed, the scattered food drifts in the water tank and gives the viewer a dirty impression. Furthermore, a power source is required for operation, and a complicated mechanism is also required.

  The feeding device described in Patent Document 2 does not require a power source, but since the bait storage case is opened upward, the bait is fed out of the bait storage case according to the predation of the bait after the input. Scattered widely in the water tank.

  In addition, although the feeding device described in Patent Document 3 is less concerned that the food is scattered in the aquarium, it requires a complicated mechanism such as a magnetic switch, and is easy to use for everyone. There is a problem that it is difficult to say and there are few types of aquatic organisms that can be handled.

  Furthermore, in common with the feeding devices of Patent Documents 1 to 3, there is a high possibility that only powerful fish (for example, fish of a relatively large physique) will prey on food, and weak fish (for example, relatively small fish) There is still a problem that (physique fish) can hardly prey.

  The present invention has been made to solve the above problems.

  In order to solve the above-mentioned problems, the present invention is a feeding device that feeds aquatic organisms grown in an aquarium. The main body is shaped like a rod, and is provided at one end of the main body. And an umbrella-like member provided so as to be slidable in the longitudinal direction and open downward with respect to the insertion part or the main body part.

  With this configuration, the bait is not scattered in the aquarium, and not only for powerful aquatic organisms (for example, relatively large aquatic organisms) but also for weak aquatic organisms such as fry It became possible to feed evenly. Of course, no complicated mechanism or power source is required, and anyone can use it easily.

  That is, the bait to be fed is arranged below the umbrella-shaped member that opens downward, and the lower end of the umbrella-shaped member (the dew portion referred to as an umbrella) is predetermined from the soil surface laid in the water tank. Insert the plug into the soil so that there is a gap. When used in this way, only aquatic organisms (small physiques) that can pass through the predetermined gap can enter and prey near the bait, and aquatic organisms (large physiques) that cannot pass through the gap It is possible to prey only after the bait leaks outside the umbrella-like member. As a result, it is possible to prey fairly without any power. In addition, since the bait is arranged below the umbrella-like member, even if the bait dissolves in the water, it does not diffuse widely in the aquarium, and the aquarium does not become dirty due to the bait that is fed . In addition, since the umbrella-shaped member is slidably installed, it can be freely adapted to the thickness of the soil in the aquarium, and the distance (gap) from the soil surface can be set freely, so the type of aquatic organisms to be fed, etc. A desired gap can be set according to the above. That is, it can be used as a feeding device for a wide range of aquatic organisms. Furthermore, since the bait is arranged below the umbrella-like member, direct access to the bait of a strong individual can be blocked, and the water flow around the bait can be blocked to some extent. There is also.

  “Aquatic organisms” as used in this specification and claims are not limited to fish, but also crustaceans such as crabs and shrimps, turtles, newts, frogs, salamanders, Mexican salamanders (also known as woopar oper) It is a concept that includes a wide range of aquatic organisms that grow with a certain amount of water inside.

  Further, the present invention is characterized in that a floating body is provided at the other end of the main body. By providing this floating body, even if the feeding device in the aquarium is dropped into the aquarium, or even if the feeding device is collapsed because the insertion part is weak, the entire feeding device is It will never sink to the bottom. In other words, even if the body falls down, at least the floating body has a face on the surface of the water, so that the feeding device can be picked up without getting the hands wet. Moreover, since it is not necessary to put a hand near the soil laid in the aquarium, the soil is not rolled up due to the disturbance of the water flow when the hand is put in, and the water in the aquarium is not inadvertently clouded.

  Moreover, the said insertion part can also be comprised so that removal from the said main-body part is possible. If comprised in this way, various variations are prepared by the length and thickness of a main-body part or an insertion part, and also a color, a pattern, etc., for example, and the optimal thing can be selected and used in combination. . More specifically, for example, by setting the main body part to have different lengths, an optimal length can be selected according to the depth of water in the water tank. If it is too short, the entire device sinks below the surface of the water, and handling is inconvenient. On the other hand, if it is too long, the device inserted into the soil and installed in the aquarium becomes unstable. Moreover, the optimal thing can be selected according to the depth of the soil currently laid in the aquarium, the kind, and hardness by setting the insertion part as the variation from which length and thickness differ.

  In addition, the umbrella-shaped member is configured as first and second umbrella-shaped members having different sizes, and a relatively large first umbrella-shaped member is disposed upward, and a relatively small second umbrella-shaped member. Can also be provided below. If comprised in this way, while being able to prevent the scattering of the food into an aquarium more, the feed according to the characteristic of the aquatic organism which feeds is attained by changing the slide position of two umbrella-shaped members suitably. .

  Further, the first umbrella-shaped member can be configured by providing an air vent hole. Since the first umbrella-shaped member has a relatively large size, when the feeding device is installed in the aquarium (installed by inserting the insertion portion into the soil), the first umbrella-shaped member is considerably inside the umbrella-shaped member. Of air. If it does so, buoyancy will arise and it will become a reaction with respect to the insertion force of an insertion part, and the installation state of an apparatus may become unstable. Therefore, such an inconvenience is prevented by providing an air vent hole. Furthermore, by setting the air vent hole to a size that allows air to escape but the melted bait to hardly pass, the scattering of the bait can be prevented. Furthermore, since this air vent hole exists, a certain amount of water convects through the air vent hole after installation in the water tank. Thereby, for example, even when using live bait as bait, there is a specific advantage that the freshness of the live bait is kept longer. It is also possible to provide this air vent hole in the second umbrella-shaped member. Further, it is possible to configure not only two umbrella-shaped members but also three or more umbrella-shaped members.

  Moreover, at least the umbrella-shaped member can be made of a transparent or translucent material. If comprised in this way, the predation state of aquatic organisms can be observed.

  Further, the whole or a part of the apparatus can be made of an acrylic material. Especially in aquariums that handle ornamental fish, lighting for ornamental fish (often contains ultraviolet rays for growing aquatic plants) is often used to improve the appearance, but acrylic materials are illumination lamps. It is durable and suitable for light irradiation. In addition, there are many cases where there is a restriction on the space to put the device in the water tank, such as when the water tank is stacked one on top of the other, for example, if the main body is made of acrylic material, it will be in a considerably curved state Since it can withstand, it is convenient that the main body can be curved and placed in the water tank even in a narrow space.

  Moreover, the said insertion part can also be comprised in a taper. If comprised in this way, it will become easy to insert an insertion part in soil, for example, it will become possible to insert, without breaking a solid dry bait (dry earthworm etc.), for example, and to fix below an umbrella-shaped member.

  Further, the umbrella-like member can be configured to be vertically inverted and attachable. By setting it as such a structure, it can respond to many kinds of bait. That is, it can function as a feeding device for more types of aquatic organisms.

  By using the aquarium feeding device of the present invention, anyone can easily use it with a simple structure, and can be applied to a wide range of aquatic organisms. Even weak aquatic organisms can feed evenly.

It is a whole perspective view of the aquarium feeding apparatus. FIG. (A) is the center longitudinal cross-sectional view of a floating body, (b) is the center longitudinal cross-sectional view of a joint part. It is the figure which showed the other Example of the joint, Comprising: (a) is a partial enlarged view, (b) is a center longitudinal cross-sectional view. It is the center longitudinal cross-sectional view of an umbrella-shaped member, Comprising: (a) is a 1st umbrella-shaped member, (b) is a 2nd umbrella-shaped member. It is the figure which showed the state which attached the food (dry earthworm) to the feeding apparatus in a water tank. It is the use condition figure which showed an example of the state which is feeding with the in-water tank feeding apparatus concerning this invention. It is an enlarged view of the insertion part of the state which attached the bait | feed (dry earthworm). It is the use condition figure which showed the 2nd usage example of the feeding apparatus in a tank concerning this invention. It is the use condition figure which showed the 3rd usage example of the feeding apparatus in a water tank concerning this invention. It is the use condition figure which showed the 4th usage example of the feeding apparatus in a tank concerning this invention.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the drawings, for easy understanding, there are parts that exaggerate the size and position of various parts, and may not always match actual products.

<Structure of feeding device in aquarium>
An aquarium feeding device 1 (hereinafter sometimes simply referred to as a “feeding device”) shown as an example of an embodiment of the present invention is a feeding device that is used by being inserted into the soil laid in the aquarium. A rod-shaped main body 10 whose cross-sectional shape in a direction perpendicular to the main body 10 is formed in a substantially perfect circle, an insertion portion 12 provided on the lower end side of the main body 10 and inserted into the soil laid in the water tank, and the insertion portion 12, umbrella-shaped members 20 and 22 provided so as to be slidable in the longitudinal direction (vertical direction) and open downward.

  The main body 10 and the insertion portion 12 are detachably connected by a joint 14. A floating body 16 is attached to the upper end of the main body 10.

  The umbrella-shaped members 20 and 22 that are slidably installed in the insertion portion 12 are arranged such that the relatively large first umbrella-shaped member 20 is disposed above and the relatively small second umbrella-shaped member 22 is more It is arranged below. As shown in FIG. 2, the first and second umbrella-shaped members 20 and 22 are slidable within the slidable range W1 of the insertion portion 12 and can be fixed at an arbitrary position. . The distal end (lower end) of the insertion portion 12 is tapered by a gentle taper (however, since the leading end portion is chamfered (rounded), injury such as accidental piercing of a fingertip or the like is prevented in advance). The umbrella-shaped member can be slid, but cannot be fixed at an arbitrary position.

  In addition, although it cannot grasp | ascertain on drawing, in this embodiment, all the said components are comprised with the colorless and transparent acrylic material.

  As shown in FIG. 3A, the floating body 16 includes a floating portion 16a and a joint portion 16b. The joint portion 16b has a cylindrical shape, and has a size that allows the main body portion 10 to be fitted and fixed. On the other hand, the floating portion 16a is configured as a sphere having a hollow portion 16c.

  As shown in FIG. 3B, the main body portion 10 and the insertion portion 12 are connected by a joint 14. The joint 14 in this embodiment is a cylindrical member having hollow portions 14a and 14b, and a partition 14c is provided just in the middle of the hollow portions 14a and 14b. Of course, the partition 14c is not essential, and the end surface of the main body portion 10 and the end surface of the insertion portion 12 may be in contact with each other. Moreover, this connection part 14 in this embodiment is adhesively fixed with the insertion part 12, and on the other hand, it is comprised so that removal is possible by inserting and extracting with the main-body part 10. FIG. Of course, the reverse may be possible, and any of the configurations may be removable. Furthermore, none of them prevents the adhesive fixing.

  As shown in FIG. 4, the main body 10 and the insertion portion 12 are connected by a “tenon” structure including a male portion 112a and a female portion 110a, as shown in FIG. You can also. Further, although not shown, a “mortise” structure in which the entire insertion portion is directly inserted into the female portion 112a provided in the main body portion may be used.

  As shown in FIG. 5, the umbrella-shaped member in the present embodiment is composed of a first umbrella-shaped member 20 in FIG. 5A and a second umbrella-shaped member in FIG. Yes. The first umbrella-shaped member 20 is composed of a slide portion 20a having a through hole 20b of a size that allows the insertion portion 12 to be exactly fitted, and a skirt portion 20c that extends from the slide portion 20a in an umbrella shape. Yes. The skirt portion 20c has a horizontal top surface in cross section, and is bent linearly from a position spread in a horizontal direction to a certain extent and extends in an oblique direction in a divergent shape. A large number of air vent holes 20d are formed in the skirt portion 20c in the vertical direction.

  On the other hand, the second umbrella-shaped member 22 includes a slide portion 22a having a through-hole 22b having a size that allows the insertion portion 12 to be just fitted, and a skirt portion 22c that spreads in an umbrella shape from the slide portion 22a. It is configured. The skirt portion 22c has a substantially arc shape in a sectional view. Further, as shown in the drawing, the second umbrella-shaped member is not provided with an air vent hole, and the size is smaller than that of the first umbrella-shaped member 20.

<Operation and function of feeding device in aquarium>
As shown in FIG. 6, the most basic usage of the feeding device 1 is the insertion portion with a predetermined interval W2 maintained between the first umbrella-like member 20 and the second umbrella-like member 22. A bait (here, dry earthworm) 70 is inserted and attached from the tip (lower end) of 12. The bait 70 is pushed in until it hits the second umbrella-shaped member 22.

  Prior to this, it is desirable to insert the feeding device 1 into a desired water tank in a state where no bait is attached and confirm the attachment positions of the umbrella-like members 20 and 22.

  Subsequently, with the bait attached, as shown in FIG. 7, the feeding device 1 is inserted into the soil 54 laid in the water tank 50 to erect the feeding device 1. Specifically, the insertion portion 12 is inserted into the soil. At this time, the second umbrella-shaped member 22 is fixed at a desired insertion position while being aware of the gap from the lower end surface 22e of the skirt portion 22c (see FIG. 5) to the surface of the soil 54. For example, this gap is adjusted so that it can pass through a juvenile body such as a fry (represented as “shrimp” in the drawing). By doing so, fry and the like can preferentially prey, and an individual with a large physique will prey on the outside of the second umbrella-like member 22 waiting for the leaking bait. . That is, all individuals can prey on food fairly regardless of the force relationship.

  When the attached bait 70 is a dry earthworm, many bubbles 80 are included in the bait 70 as shown in FIG. When the bait 70 is attached and submerged in the water tank, the bubbles 80 are gradually accumulated under the second umbrella-shaped member 22 to form a bubble reservoir 82. The formation of the bubble reservoir 82 has an effect that the degree of breakage of the bait 70 (disruption due to flooding) is reduced and the bait is improved.

  That is, the bait 70 which should be given below the 2nd umbrella-shaped member 22 opened toward the downward direction is arrange | positioned, and the lower end surface 22e of this 2nd umbrella-shaped member 22 is laid in the water tank 50 54 Since the insertion part 12 is inserted into the soil 54 so as to have a predetermined gap from the surface, only aquatic organisms (small individuals) that can pass through the gap can enter and eat near the bait 70, Aquatic organisms (individuals having a large physique) that cannot pass through the gap can only prey outside the second umbrella-like member 22 after waiting for the bait 70 to collapse and leak out. As a result, it is possible to prey fairly without any power. In addition, since the bait 70 is disposed below the second umbrella-shaped member 22, even if the bait 70 melts into water, it does not diffuse widely into the water tank 50, and further, the second umbrella-shaped member 22. Since the larger first umbrella-shaped member 20 is disposed above the water tank, the inside of the aquarium is effectively prevented from being contaminated due to the fed bait 70. In addition, since these 1st, 2nd umbrella-shaped members 20 and 22 are installed so that sliding is possible, while being able to respond | correspond freely to the thickness (height) of the soil 54 in the aquarium 50, from the soil 54 surface, Since the distance (gap) can be freely set, a desired gap can be set according to the type of aquatic organisms to be fed. That is, it can be used as a feeding device for a wide range of aquatic organisms. Furthermore, since the bait 70 is arranged below the umbrella-like member, direct access to the bait 70 of a strong individual can be blocked, and the water flow around the bait 70 can be blocked to some extent, so that the bait is improved. There are also distinct advantages.

  In the feeding device 1, a floating body 16 is provided at the upper end of the main body 10. Even if the feeding device 1 is dropped into the water tank 50 by the provision of the floating body 16 or the feeding device 1 falls down because the insertion of the insertion portion 12 into the soil 54 is weak. The whole feeding device 1 does not sink to the bottom of the water tank 50. That is, even when the body falls down, at least the floating body 16 has a face on the surface of the water, so that the feeding device 1 can be picked up without getting the hands wet. Further, since it is not necessary to put a hand near the soil 54 in the aquarium 50, the water 54 in the aquarium 50 may be inadvertently turbid without undue rolling up the soil 54 due to disturbance of the water flow when the hand is put in. No.

  Moreover, in the feeding apparatus 1, since the insertion part 12 is comprised so that removal from the main-body part 10 is carried out, for example, various variations by the length and thickness of the main-body part 10 and the insertion part 12, and also a color, a pattern, etc. Can be used in combination by selecting the most suitable one. More specifically, for example, by preparing the main body 10 as variations having different lengths, an optimal length can be selected according to the depth of the water 52 in the water tank 50. If it is too short, the entire apparatus 1 sinks below the surface of the water, and handling is inconvenient. On the other hand, if it is too long, the apparatus 1 inserted into the soil 54 and installed in the water tank 50 becomes unstable. Moreover, by preparing the insertion portion 12 as variations of different lengths and thicknesses, it is possible to select an optimum one according to the depth, type, and hardness of the soil 54 laid in the aquarium 50. Yes.

  Moreover, in the feeding apparatus 1, the umbrella-shaped member is configured as first and second umbrella-shaped members 20 and 22 having different sizes, and the relatively large first umbrella-shaped member 20 is relatively upward. Since the small second umbrella-shaped member 22 is provided at the lower side, the scattering of the food 70 into the aquarium 50 can be further prevented (the food 70 leaked upward from the second umbrella-shaped member 22). Even in this case, diffusion is prevented by the first umbrella-shaped member 20 positioned at a larger upper side.) In addition, by changing the slide position of the two umbrella-shaped members 20 and 22 as appropriate, the aquatic organism that provides the bait 70 Feeding according to the characteristics of is possible.

  Moreover, in the feeding apparatus 1, the 1st umbrella-shaped member 20 is provided with an air vent hole 20d. This is because the first umbrella-shaped member 20 has a relatively large size, and therefore, when the feeding device 1 is installed in the water tank 50, the first umbrella-shaped member 20 contains a considerable amount of air inside the first umbrella-shaped member 20. End up. If it does so, buoyancy will arise and it will become a reaction with respect to the insertion force of the insertion part 12, and the installation state of the apparatus 1 may become unstable. Therefore, the problem is prevented by providing the air vent hole 20d. Furthermore, since the air vent hole 20d has a size (for example, a diameter of about 1 mm) through which the melted bait 70 is difficult to pass though air escapes, scattering of the bait 70 is prevented. Furthermore, since the air vent hole 20d exists, a certain amount of water convects through the air vent hole 20d after being installed in the water tank 50. Thereby, for example, even when live food is used as food (described later), there is a specific advantage that the freshness of the live food can be maintained longer. The air vent hole 20d can be provided in the second umbrella-shaped member 22. Of course, three or more umbrella-shaped members may be used.

  Moreover, in the feeding apparatus 1, since the 1st, 2nd umbrella-shaped members 20 and 22 were comprised with the transparent acrylic material, the predation state of an aqueous organism can be observed.

  Moreover, in the feeding apparatus 1, the said apparatus 1 whole is comprised with the acrylic material. In particular, in the aquarium 50 that handles ornamental fish and the like, illumination for ornamental fish and the like (often contains ultraviolet rays for growing aquatic plants) is often used to improve the appearance, but acrylic materials are illumination. The lamp is durable and suitable for light irradiation. In addition, there are many cases where there is a restriction on the space for putting the device 1 in the water tank 50, such as when the water tank 50 is installed one above the other. Therefore, even in a narrow space, the main body 10 can be bent and placed in the water tank 50, which is convenient.

  Moreover, in the feeding apparatus 1, since the insertion part 12 is configured to be tapered, the insertion part 12 can be easily inserted into the soil 54 and, for example, a solid dry bait (dry earthworm or the like) can be inserted without breaking. It becomes possible to fix below the two umbrella-shaped members 22.

  Moreover, the material which comprises the apparatus 1 is not limited to a colorless and transparent acryl, Color may be sufficient, A translucent, opaque, and pattern etc. may be attached | subjected. Furthermore, it is of course possible to change the material as required, such as resin other than acrylic, wood, metal, etc. Especially when feeding on highly aquatic aquatic organisms, the feeding device itself should be highly aesthetic enough to withstand viewing, so it can be used in various color variations and design variations. it can. In this respect, in the feeding device 1 according to the present invention, each part (the main body part 10, the insertion part 1, the umbrella-like members 20, 22 and the floating body 16 and the like can be removed as parts, respectively, and only a part thereof is made of other materials and colors. It is possible to deal with a wide range of personal hobbies, such as changing to

  In addition, in the said feeding apparatus 1, although the 1st, 2nd umbrella-shaped members 20 and 22 were slidably installed in the insertion part 12, they are slidably installed in the main-body part 10 as needed. May be.

<Other examples and usage examples>
Moreover, in the feeding apparatus 1, although the 1st, 2nd umbrella-shaped members 20 and 22 are used so that it may open below, both or one side is reversed and attached and used as needed. It is also possible to do. That is, it is only necessary to pull out one end from the insertion portion 12 and attach it by inverting the top-bottom direction, and feeding can be performed after mounting in this manner.

  For example, in FIG. 9, the first umbrella-shaped member 20 is attached by being inverted in the vertical direction. Here, the first umbrella-like member 20 attached in an inverted manner is made to function like a “dish”, and a cotton-like body 18 made of polyester is attached to this dish, and “live food” is placed on the cotton-like body 18. I'm feeding them. The cotton-like body 18 is not essential, and the presence of the cotton-like body 18 is characterized in that the live food such as earthworms uses the cotton-like body 18 as a scaffold, so that the live food is hardly scattered in the aquarium. Here, the second umbrella-like member 22 functions as a stopper for the soil 54. That is, when the lower end surface 22e of the skirt portion 22c of the second umbrella-shaped member 22 abuts on the surface of the soil 54, it becomes a stopper for the insertion depth, and at a position spread in the radial direction, Positioning is assisted and it is difficult for position shifts and falls due to contact with aquatic organisms.

  Further, as shown in FIG. 10, after the first umbrella-shaped member 20 is turned upside down, the water surface is positioned just in the middle (the middle in the height direction) of the first umbrella-shaped member 22. Can also be used for feeding. For example, it is suitable for raising organisms such as turtles, frogs and newts.

  In addition, as shown in FIG. 11, the second umbrella-shaped member 22 can be inverted with respect to the first umbrella-shaped member 20. That is, by using the bait 70 so as to be enclosed by the first umbrella-like member 20 and the second umbrella-like member 22 from above and below, the bait 70 is prevented from being scattered and the two umbrella-like members ( By appropriately adjusting the gap (in the tip portion), the size of the aquatic organisms that can directly enter can be limited.

  Although not shown in particular, for example, the feeding device can be used even when the soil is not laid in the water tank. For example, it can also be installed and used so that it may lean on the wall surface of a water tank. Moreover, it is also possible to install an adapter that can insert the tip of the insertion portion on the bottom surface of the water tank, and use the adapter by inserting it into the adapter.

DESCRIPTION OF SYMBOLS 1 ... Feed apparatus 10 in aquarium ... Main-body part 12 ... Insertion part 14 ... Joint 16 ... Floating body 20 ... 1st umbrella-shaped member 22 ... 2nd umbrella-shaped member 50 ... aquarium 52 ... water 54 ... soil 60, 62 ... aquatic organisms 70, 72, 74 ... bait

Claims (9)

A feeding device that feeds aquatic organisms grown in an aquarium,
A main body shaped like a rod;
An insertion part which is provided at one end of the main body part and is inserted into the soil laid in the water tank;
An umbrella-shaped member provided so as to be slidable in the longitudinal direction with respect to the insertion part or the main body part and to be opened downward. In claim 1,
A floating body is provided at the other end of the main body. In claim 1 or 2,
The feeding device in an aquarium, wherein the insertion portion is removable from the main body portion. In any one of Claims 1-3,
The umbrella-shaped members are configured as first and second umbrella-shaped members having different sizes, respectively, with a relatively large first umbrella-shaped member upward and a relatively small second umbrella-shaped member downward. An aquarium feeding device characterized in that it is provided in a water tank. In claim 4,
An air vent hole is provided in the first umbrella-like member. In any one of Claims 1-5,
At least the umbrella-shaped member is made of a transparent or translucent material. In any one of Claims 1-6,
An aquarium feeding device characterized by being made of an acrylic material. In any one of Claims 1-7,
The feeding part in an aquarium, wherein the insertion part is configured to be tapered. In any one of Claims 1-8,
The feeding apparatus in an aquarium, wherein the umbrella-like member can be attached by being inverted in the vertical direction.

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