CN107318720B - Clown fish hatching egg collection device - Google Patents
Clown fish hatching egg collection device Download PDFInfo
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- CN107318720B CN107318720B CN201710649813.7A CN201710649813A CN107318720B CN 107318720 B CN107318720 B CN 107318720B CN 201710649813 A CN201710649813 A CN 201710649813A CN 107318720 B CN107318720 B CN 107318720B
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- collecting box
- hatching egg
- collecting
- sealing plate
- box
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/10—Culture of aquatic animals of fish
- A01K61/17—Hatching, e.g. incubators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Abstract
The invention discloses a clown fish hatching egg collecting device, which comprises a collecting box with an opening at the upper end, a box cover covering the upper end of the collecting box, a sealing plate and a light-emitting source, wherein hatching egg collecting holes for hatching eggs to enter the collecting box are distributed on a bottom plate of the collecting box, the hole wall of each hatching egg collecting hole is in a frustum shape, two corresponding side edges of the lower end surface of the bottom plate of the collecting box are respectively provided with a vertically downward guide plate, the opposite side surfaces of the two guide plates are respectively provided with a sliding groove, the sealing plate slides between the sliding grooves, sealing rubber is paved on the upper surface of the sealing plate, when the sealing plate slides into the lower part of the collecting box, the sealing rubber is tightly pressed on the bottom surface of the collecting box and seals all hatching egg collecting holes distributed on the bottom plate, the light-emitting source is fixed on the inner wall of the collecting box, and light rays emitted by the light-emitting source irradiate the inner part of the collecting box.
Description
Technical Field
The invention relates to a clown fish hatching egg collecting device.
Background
With the rise of the seawater ornamental fish industry, the artificial culture of clown fish is gradually valued by people, and the high-efficiency seedling raising technology of the clown fish culture method becomes a key for the research requirements and the market of the clown fish. At present, two main collection modes of clown fish hatching eggs are provided: 1. artificially fishing and collecting the eggs by a light gathering method at the evening after hatching, and utilizing phototaxis of hatching eggs of clown fishes; 2. hatch two hours earlier in the evening the attachments were transferred to a clean bucket ready for use. Both have certain defects, the former consumes manpower and easily disturbs parent fish to influence subsequent spawning, and the latter is limited by weather, and sudden climate factors can cause failure of spawn incubation.
Disclosure of Invention
The invention aims to solve the technical problem of providing a clown fish hatching egg collecting device which is high in collecting efficiency, reduces the consumption of manpower and material resources, has small damage to clown fish hatching eggs and reduces the disturbance to parent fishes.
To solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a clown fish hatching ovum collection device, be the open-ended collecting box including the upper end, cover in the case lid of collecting box upper end, the closing plate with be used for attracting the light emitting source of clown fish hatching ovum, it gets into the hatching ovum collecting hole of collecting box to distribute on the bottom plate of collecting box, the pore wall of hatching ovum collecting hole is the frustum form, wherein two corresponding sides of the lower terminal surface of collecting box bottom plate are equipped with perpendicular decurrent baffle respectively, the facing side of two baffles is equipped with the spout respectively, the closing plate slides between the spout, sealing rubber has been laid to the upper surface of closing plate, when the closing plate slides into the collecting box below, sealing rubber tightly presses in the bottom surface of collecting box, and seal all distribution and hatch ovum collecting hole on the bottom plate, be fixed in on the inner wall of collecting box, the light that the light emitting source sent shines the inside to the collecting box.
Furthermore, the sealing plate comprises a first sealing plate and a second sealing plate, and the first sealing plate and the second sealing plate respectively seal hatching egg collecting holes distributed on the bottom plate of the collecting box.
Furthermore, the case cover is provided with vent holes which are distributed side by side and ensure sufficient oxygen in the collecting case.
The light source is an optical fiber illuminator, an optical fiber of the optical fiber illuminator is clamped at the upper end of one side wall of the collecting box through the wire clamp, and one end, emitting light, of the optical fiber illuminator is located inside the collecting box.
Furthermore, the upper edges of two opposite outer side surfaces of the collecting box are respectively provided with a downward bent hanging edge convenient for the fixing of the collecting box.
Furthermore, the hatching egg collecting holes are regularly distributed in the horizontal and vertical directions and are positioned in the middle area of the bottom plate of the collecting box.
Furthermore, the diameter of the lower end of the hatching egg collecting hole is 3mm, and the diameter of the upper end of the hatching egg collecting hole is 1.5mm.
Furthermore, the collecting box is in an inverted trapezoid shape.
Further, the outer sides of the first and second sealing plates are respectively provided with a downward flange for facilitating the operation of the sealing plates.
Furthermore, two opposite through holes are formed in the middle of the upper end face of the box cover, and a lifting handle which is convenient for a user to lift or cover the box cover is formed between the two through holes.
Compared with the prior art, the invention has the following beneficial effects:
the clown fish hatching eggs are automatically fed into the collecting box from the hatching egg collecting holes under the attraction of the internal light source, and the lower sealing plate is closed after the collection, so that the clown fish hatching eggs are not influenced by weather conditions, the damage to the clown fish hatching eggs caused by artificial fishing and transferring is avoided, the disturbance to parent fishes is reduced, the cost is lower, the operation is convenient, the collection efficiency is high, and the consumption of manpower and material resources is reduced.
Drawings
FIG. 1 is a schematic view of the present invention when the light source is not installed;
FIG. 2 is a second schematic view of the present invention when the light source is not installed;
FIG. 3 is one of the schematic views of the construction of the present invention when the light-emitting source is not installed and the cover and the sealing plate are closed;
FIG. 4 is a second schematic view of the present invention when the light source is not installed and the cover and the sealing plate are closed;
FIG. 5 is a schematic structural view of a hatching egg collecting well according to the present invention;
FIG. 6 is a statistical graph of hatchability per egg laying in an experiment with 12 eggs laid for 6 months;
FIG. 7 is a statistical plot of the total hatchability in an experiment with 12 eggs laid for 6 months;
FIG. 8 is a statistical graph of the collection rate of each egg laying in an experiment with 12 eggs laying for 6 months;
FIG. 9 is a statistical plot of the total harvest in an experiment with 12 eggs laid for 6 months;
FIG. 10 is a statistical graph of the survival rate per egg laying in an experiment with 12 eggs laid for 6 months;
FIG. 11 is a statistical plot of overall survival in experiments with 12 eggs at 6 months.
Detailed Description
A clown fish hatching egg collecting device as shown in fig. 1 to 4, which comprises a collecting box 2 with an opening at the upper end, a box cover 1 covering the upper end of the collecting box, a sealing plate, a wire clamp and a light emitting source for attracting clown fish hatching eggs, wherein the collecting box 2, the box cover 1 and the sealing plate are made of plastic, and the wire clamp and the light emitting source are not shown in the figures.
The collecting box 2 is in the shape of an inverted trapezoid, the upper edges of two opposite outer side surfaces of the collecting box 2 are respectively provided with a downward bent hanging edge 23 which is convenient for the fixing of the collecting box, and the hanging edges 23 are bent to have certain radian. Hatching egg collecting holes 22 for hatching eggs to enter the collecting box are distributed on the bottom plate of the collecting box 2. Hatching egg collecting hole as shown in fig. 5, hatching egg collecting hole 22 is the frustum form that lower extreme diameter is greater than the upper end diameter, hatching egg collecting hole 22's lower extreme diameter is 3mm, the upper end diameter is 1.5mm, the hatching egg collecting hole of frustum form also avoids the clown fish hatching egg in collecting box 2 to escape as far as possible when making things convenient for outside clown fish hatching egg to get into collecting box 2, hatching egg collecting hole 22 is according to horizontal and vertical regular range respectively, and be located the middle part region of the bottom plate of collecting box 2.
Two corresponding side edges of the lower end surface of the collecting box 2 are respectively provided with a guide plate 21 which faces downwards vertically, the side surfaces of the two guide plates 21 which face each other are respectively provided with a sliding groove 24, the sealing plates comprise a first sealing plate 3 and a second sealing plate 4, the first sealing plate 3 and the second sealing plate 4 are symmetrical in structure, the first sealing plate 3 and the second sealing plate 4 respectively slide into the sliding grooves 24 from two ends of the sliding groove 24, sealing rubber 42 is respectively paved on the upper surfaces of the first sealing plate 3 and the second sealing plate 4, when the first sealing plate 3 and the second sealing plate 4 slide into the lower part of the collecting box 2, the sealing rubber 42 is tightly pressed on the lower end surface of the bottom plate of the collecting box 2, the hatching egg collecting hole 22 on the two sides of the collecting box is respectively sealed by the sealing rubber 42 on the first sealing plate 3 and the second sealing plate 4, the seamless connection between the sealing plates and the bottom surface of the collecting box is ensured by the elasticity of the sealing rubber 42, the added area of the first sealing plate 3 and the second sealing plate 4 is smaller than that of the bottom plate of the collecting box, when the first sealing plate 3 and the second sealing plate 4 are closed, the first sealing plate 3 and the second sealing plate 4 are positioned in the middle area of the bottom plate of the collecting box, the hatching egg collecting hole 22 concentrated in the middle area is sealed, and the downward flanges 41 which are convenient for operating the sealing plates are respectively arranged on the outer side edges of the first sealing plate 3 and the second sealing plate 4. The thickness of the first sealing plate 3 and the second sealing plate 4 is 2mm, the thickness of the sealing rubber 42 is 1mm, and the width of the chute 24 is 3mm.
The box cover 1 is square, two opposite sides of the box cover 1 are provided with downward vertical edges 14, when the cover is the box cover 1, the vertical edges 14 are positioned on two outer side surfaces of the collecting box 2 without the hanging edges 23, and the box cover 1 is limited at the upper end of the collecting box 2 through the vertical edges 14. Four rows of vent holes 11 are arranged on the box cover 1, the four rows of vent holes are respectively parallel and parallel, the vent holes 11 ensure the sufficiency of oxygen in the collecting box 2, and the vent holes 11 are rectangular holes with the diameter of 3mm multiplied by 10 mm. Two opposite through holes 12 are arranged in the middle of the upper end surface of the box cover, the through holes 12 are positioned between the vent holes 11, and a handle 13 which is convenient for a user to lift or close the box cover is formed between the two through holes 12.
The light source for attracting clown fish hatching eggs is an optical fiber illuminator, which is an existing device and conducts the light source to an area needing illumination through optical fibers. The fastener is the ordinary clip of normal use, and the fastener presss from both sides the optic fibre of optic fibre illuminator in the upper end of the lateral wall of collecting box, is about to the lateral wall clamp of optic fibre and collecting box between two chucks of clip to fix optic fibre on the collecting box, the one end that sends light of optic fibre is located collecting box 2 inside, makes light shine to the inside of collecting box 2.
Before use, firstly, two cross rods corresponding to two hanging edges 23 of a collecting box are erected on an upper end frame of a container for culturing clown fish, when the clown fish incubator is used, a first sealing plate 3 and a second sealing plate 4 are opened, the collecting box is hung between the two cross rods through the hanging edges 23, optical fibers are clamped by using a wire clamp, a light emitter is opened, the position irradiated by a light source is adjusted, a box cover 1 is covered, the box cover 1 prevents collected clown fish hatching eggs from escaping from an upper end opening, at the moment, the upper end of the collecting box 2 is preferably flush with the water surface of the container, of course, the water in the collecting box 2 cannot be too little, light irradiated by a light source penetrates out from a hatching egg collecting hole 22 below to attract the clown fish hatching eggs, the clown fish hatching eggs continuously enter the collecting box 2 under the attraction of the light source, after the collection is completed, the first sealing plate 3 and the second sealing plate 4 are closed, the wire clamp and the optical fibers are detached, and the collecting box can be lifted to be transferred.
In the background technology, two clown fish hatching egg collection modes are mentioned, three collection modes are provided, experimental observation and data statistics are carried out on the three modes in a 6-month period (due to Hainan climate, the egg laying peak period of the clown fish is 3-8 months, the total period is 6 months, and 12 times of egg laying) experiment observation and data statistics, the experiments collect hatching eggs of the same pair of sea anemone dicus (male clown fish) parent fish in different batches for multiple times, and corresponding collection effects are compared, wherein the collection rates and the survival rates are included, specific conditions are shown in the following tables 1 and 2 (in the tables 1 and 2, A represents a mode of manually catching and collecting, B represents a mode of transferring attachments in advance, and C represents a mode of collecting by using the method disclosed by the invention), the table 1 represents the influence of the collection methods of A, B and C on breeding when each egg laying, the clown fish is carried out for 12 times in the 6 months, and the collection methods of clown fish are carried out for 12 times in the table 1, and the collection methods of A, B and C represent the collection methods of seeds for each egg laying for one time.
Table 1:
table 2:
the collection methods a, B, and C were compared and analyzed using the statistical charts of fig. 6 to 11, along with the collection methods a, B, and C using the tables 1 and 2.
In conclusion, the hatching rate, the collection rate and the survival rate are evaluated in a correlation manner aiming at the three hatching egg collection modes A, B and C, and the results of the three indexes are as follows: c > B > a, there were no significant differences between the methods in hatchability, significant differences between the three methods in harvest, no significant differences between a and B in survival, and very significant differences between a and B and C (P < 0.01). Meanwhile, the data and daily yield management conditions are combined to obtain that the implementation of the method A has certain negative influence on the next spawning of the parent fish, presumably caused by the disturbance generated by night light-gathering fishing, while the method B has uncertain factors, is greatly influenced by weather, leaves the water body of the parent fish, and has serious threats to the quality and quantity of fertilized eggs. Therefore, the method C, namely the use of the method disclosed by the invention, has obvious advantages in the aspects of management and maintenance of fertilized eggs, quality and parent fish, and the collection effect of the incubated eggs, including factors such as hatchability, collection rate and survival rate, and has obvious improvement and improvement effects on the work of collecting the incubated eggs of tropical seawater ornamental fish represented by clown fish and breeding and producing seeds.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a clown fish hatching egg collection device which characterized in that: the hatching egg collecting device comprises a collecting box with an opening at the upper end, a box cover covering the upper end of the collecting box, a sealing plate and a light source for attracting hatching eggs of clown fishes, wherein hatching egg collecting holes for hatching eggs to enter the collecting box are distributed on a bottom plate of the collecting box, the hole wall of each hatching egg collecting hole is in a frustum shape, two corresponding side edges of the lower end surface of the bottom plate of the collecting box are respectively provided with a vertically downward guide plate, the opposite side surfaces of the two guide plates are respectively provided with a sliding groove, the sealing plate slides between the sliding grooves, the upper surface of the sealing plate is paved with sealing rubber, when the sealing plate slides into the lower part of the collecting box, the sealing rubber tightly presses the bottom surface of the collecting box and seals all the hatching egg collecting holes distributed on the bottom plate, the light source is fixed on the inner wall of the collecting box, and light emitted by the light source irradiates the inside of the hatching egg collecting box;
the sealing plates comprise a first sealing plate and a second sealing plate, and the first sealing plate and the second sealing plate respectively seal hatching egg collecting holes distributed on the bottom plate of the collecting box; the box cover is provided with vent holes which are distributed side by side and ensure that the oxygen in the collecting box is sufficient; the light source is an optical fiber illuminator, an optical fiber of the optical fiber illuminator is clamped at the upper end of one side wall of the collecting box through the wire clamp, and one end of the optical fiber illuminator, which emits light, is positioned in the collecting box; and the outer side edges of the first sealing plate and the second sealing plate are respectively provided with a downward flange for facilitating the operation of the sealing plates.
2. The clown fish hatching egg collection device of claim 1, wherein: the upper edges of two opposite outer side surfaces of the collecting box are respectively provided with a downward bent hanging edge which is convenient for the fixing of the collecting box.
3. A clown fish hatching egg collection device as defined in claim 2, wherein: the hatching egg collecting holes are regularly arranged and distributed in the horizontal direction and the vertical direction and are positioned in the middle area of the bottom plate of the collecting box.
4. A clown fish hatching egg collection device as claimed in claim 3, wherein: the diameter of the lower end of the hatching egg collecting hole is 3mm, and the diameter of the upper end of the hatching egg collecting hole is 1.5mm.
5. A clown fish hatching egg collection device as recited in claim 4, wherein: the collecting box is in an inverted trapezoid shape.
6. A clown fish hatching egg collection device as recited in claim 5, wherein: two opposite through holes are formed in the middle of the upper end face of the box cover, and a handle which is convenient for a user to lift or cover the box cover is formed between the two through holes.
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Effective date of registration: 20230403 Address after: 510300 No. 231 West Xingang Road, Guangzhou, Guangdong, Haizhuqu District Applicant after: SOUTH CHINA SEA FISHERIES Research Institute CHINESE ACADEMY OF FISHERY SCIENCES Address before: 572000 No. 4 Anyou 6th Road, Sanya City, Hainan Province Applicant before: CHINESE ACADEMY OF FISHERY SCIENCES SOUTH CHINA SEA FISHERIES Research Institute OF TROPICAL FISHERIES RESEARCH AND DEVELOPMENT CENTER Applicant before: SOUTH CHINA SEA FISHERIES Research Institute CHINESE ACADEMY OF FISHERY SCIENCES |