CN111387126A - Modular artificial fish nest system and installation method thereof - Google Patents
Modular artificial fish nest system and installation method thereof Download PDFInfo
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- CN111387126A CN111387126A CN202010327446.0A CN202010327446A CN111387126A CN 111387126 A CN111387126 A CN 111387126A CN 202010327446 A CN202010327446 A CN 202010327446A CN 111387126 A CN111387126 A CN 111387126A
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- 241000251468 Actinopterygii Species 0.000 title claims abstract description 120
- 238000009434 installation Methods 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000011159 matrix material Substances 0.000 claims abstract description 38
- 239000000835 fiber Substances 0.000 claims abstract description 18
- -1 Polyethylene Polymers 0.000 claims abstract description 17
- 239000004698 Polyethylene Substances 0.000 claims abstract description 17
- 229920000573 polyethylene Polymers 0.000 claims abstract description 17
- 244000025254 Cannabis sativa Species 0.000 claims abstract description 12
- 241000252229 Carassius auratus Species 0.000 claims abstract description 12
- 241000195493 Cryptophyta Species 0.000 claims abstract description 12
- 241000722195 Potamogeton Species 0.000 claims abstract description 12
- 241001070186 Salsola collina Species 0.000 claims abstract description 12
- 241000195954 Lycopodium clavatum Species 0.000 claims abstract description 10
- 239000000853 adhesive Substances 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 230000003014 reinforcing effect Effects 0.000 claims description 17
- 239000004677 Nylon Substances 0.000 claims description 10
- 229920001778 nylon Polymers 0.000 claims description 10
- 238000004873 anchoring Methods 0.000 claims description 4
- 235000013601 eggs Nutrition 0.000 abstract description 25
- 230000009286 beneficial effect Effects 0.000 abstract description 7
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- 238000009395 breeding Methods 0.000 abstract description 3
- 230000001488 breeding effect Effects 0.000 abstract description 3
- 102000002322 Egg Proteins Human genes 0.000 description 6
- 108010000912 Egg Proteins Proteins 0.000 description 6
- 239000003292 glue Substances 0.000 description 6
- 210000004681 ovum Anatomy 0.000 description 6
- 230000002787 reinforcement Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000008239 natural water Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 235000005013 Pinus cembroides Nutrition 0.000 description 2
- 235000008575 Pinus pinea Nutrition 0.000 description 2
- 240000007789 Pinus pinea Species 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000012447 hatching Effects 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 239000002352 surface water Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000000366 juvenile effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000001672 ovary Anatomy 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; 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
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Zoology (AREA)
- Artificial Fish Reefs (AREA)
Abstract
The invention discloses a modular artificial fish nest system and an installation method thereof, and belongs to the technical field of aquatic resource restoration. The upper part of the fish nest system is provided with a sinker and an egg-sticking matrix A, the lower part of the fish nest system is provided with a floater and an egg-sticking matrix B, and the fish nest system comprises a plurality of detachably connected fish nests. The top of the fish nest system is bound and fixed with grass gathering bundles, goldfish algae bundles, potamogeton petiolatus bundles, lycopodium clavatum bundles or salsola collina bundles for the fish with sticky eggs to lay eggs and breed, and providing a habitat for the growth of young fish. Polyethylene fiber silk balls are bound and fixed at the bottom of the fish nest system, can be used for laying eggs and breeding of fish with adhesive eggs, and provide a habitat for sheltering and growing young fish, and the polyethylene fiber silk balls can be used repeatedly. The egg-sticking matrix A and the egg-sticking matrix B are both fixed on the fish nest, are not easy to greatly float, and are beneficial to the attachment of fish eggs on the egg-sticking matrix A or the egg-sticking matrix B.
Description
Technical Field
The invention relates to a modular artificial fish nest system and an installation method thereof, belonging to the technical field of aquatic resource restoration.
Background
In the industrialized development, water resources are polluted in different degrees, natural water bodies such as rivers, lakes, reservoirs and the like are eutrophicated in different degrees, aquatic vegetation growth is greatly negatively influenced, the ecological environment of fish activities is changed, the natural aquatic wetland attached to fish breeding spawning is gradually reduced, the fertility rate and the survival rate of fish eggs are reduced, natural fishery resources are seriously reduced, artificial fish nests are built and put in natural water areas of fish activities, suitable spawning environments are created for natural fish breeding, spawning scales are enlarged, the yield of juvenile fishes is improved, and fish population resources in the natural water areas are restored, so that the artificial fish nests are arranged by the most effective method, and the artificial fish nests in the prior art exist: small adhesion area, inconvenient disassembly and installation, insufficient attraction of the egg-adhesive matrix to the spawning parent fish, unreusable property and the like. To this end, chinese patent publication No. CN206674802U discloses a modular artificial fish nest, which is modular and can be erected in accordance with the size of the water area in the spawning site by increasing or decreasing the fish nest module units to adapt to the environments of different water areas. However, the adhesion substrate is fixed to the connection string, so that the adhesion substrate is often in a greatly floating state, which is disadvantageous to the adhesion of the fish eggs to the adhesion substrate.
Disclosure of Invention
In order to solve the technical problem, the invention provides a modular artificial fish nest system.
The invention is realized by the following technical scheme:
the upper part of the fish nest system is provided with a sinker and an egg bonding matrix A, the lower part of the fish nest system is provided with a floater and an egg bonding matrix B, and the fish nest system comprises a plurality of fish nests which are detachably connected together.
The fish nest comprises a lower frame and an upper frame, and the upper frame is connected with the lower frame through a plurality of support plates arranged side by side.
The shape and the size of the lower frame are consistent with those of the upper frame, and the upper frame comprises a regular polygon frame and a reinforcing piece arranged on the inner side of the regular polygon frame.
The regular polygon frame is a regular hexagon, and the reinforcing piece is a cross.
The upper portion in the backup pad outside is equipped with two fastener A side by side, and the lower part is equipped with two bayonets side by side, and the interval between two fastener A, between adjacent fastener A and the bayonet socket and between two bayonet sockets equals.
And water holes are formed in the lower frame, the upper frame and the supporting plate.
The egg-bonding matrix A comprises but is not limited to grass gathering bundles, goldfish algae bundles, potamogeton petiolatus bundles, lycopodium clavatum bundles and salsola collina bundles, and the egg-bonding matrix B is polyethylene fiber silk balls.
The floater comprises a floater body, wherein the floater body is provided with a plurality of water holes, the water holes are arranged on the outer circular surface of the floater body, the floater body is provided with two clamping pieces C side by side, the sinker body comprises.
And an anchoring rope is arranged on the fish nest system.
A method for installing a modular artificial fish nest system comprises the following steps:
(1) selecting a proper number of fish nests according to the water area range of the spawning site, wherein the fish nests are clamped together through a clamping piece A on a supporting plate and a clamping opening;
(2) bundling the poly grass, the goldfish algae, the potamogeton petiolatus, the lycopodium clavatum or the salsola collina into bundles, and bundling the bundles on cross-shaped reinforcing pieces at the top of a fish nest system, wherein 4 poly grass bundles, goldfish algae bundles, potamogeton petiolatus bundles, lycopodium clavatum bundles or salsola collina bundles are bundled on each reinforcing piece;
(3) binding polyethylene fiber silk balls to cross-shaped reinforcing pieces at the bottom of the fish nest system, and binding 4 polyethylene fiber silk balls on each reinforcing piece;
(4) the floater is arranged at the bottom of the fish nest system through a clamping piece C and is bound and fixed by a nylon rope, the sinker is filled with pebbles and is arranged at the top of the fish nest system through a clamping piece B, and then the floater is bound and fixed by the nylon rope;
(5) and (4) putting the fish nest system into a water area of a spawning site, and fixing the fish nest system in the water body by using an anchoring rope.
The invention has the beneficial effects that:
1. the top of the fish nest system is bound and fixed with grass gathering bundles, goldfish algae bundles, potamogeton petiolatus bundles, stone pine bundles or salsola collina bundles for the fish with sticky eggs to lay eggs and breed, and provide sheltering and inhabitation sites for the growth of young fishes.
2. Polyethylene fiber silk balls are bound and fixed at the bottom of the fish nest system, can be used for the fish with adhesive eggs to lay eggs and breed, and provide sheltering and inhabiting places for the growth of young fishes, and the polyethylene fiber silk balls can be used repeatedly.
3. The egg-sticking matrix A and the egg-sticking matrix B are both fixed on the fish nest, are not easy to greatly float, and are beneficial to the attachment of fish eggs on the egg-sticking matrix A or the egg-sticking matrix B.
4. The whole hexagonal prism column structure that is of fish nest adopts the joint to connect between the fish nest, and the installation is dismantled conveniently, can use repeatedly, and a plurality of fish nests compact structure after linking together, can tie up more ovum and glue matrix A and ovum and glue matrix B, help improving fertilized egg adhesion area to improve fertilized egg's hatching success rate.
5. The floater and the sinker are firstly connected to the fish nest and then tied and fixed by using the nylon rope, thereby being beneficial to improving the installation efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the fish nest of the present invention;
FIG. 3 is a schematic structural diagram of the sinker of the present invention;
fig. 4 is a schematic view of the structure of the float of the present invention.
In the figure: 1-fish nest, 10-lower frame, 11-support plate, 110-bayonet, 111-fastener A, 12-upper frame, 2-anchor rope, 3-sinker, 30-cylinder, 31-plug, 32-fastener B, 4-float and 40-fastener C.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1 to 4, the artificial fish nest system of the invention comprises a plurality of fish nests 1 which are detachably connected together, wherein the upper part of the fish nest system is provided with a sinker 3 and an ovoid matrix a, and the lower part of the fish nest system is provided with a floater 4 and an ovoid matrix B. When the fish nest is used, the sinkers 3 are arranged at the upper part of the fish nest system, so that the sinkers 3 can be conveniently increased and decreased to adjust the distance between the fish nest 1 and the water surface.
The fish nest 1 comprises a lower frame 10 and an upper frame 12, wherein the upper frame 12 is connected with the lower frame 10 through a plurality of support plates 11 arranged side by side. When in use, the lower frame 10, the upper frame 12 and the supporting plate 11 are all made of PVC materials, and the fish nest 1 can be used repeatedly.
The lower frame 10 is identical in shape and size to the upper frame 12, and the upper frame 12 includes a regular polygonal frame and a reinforcement member provided inside the regular polygonal frame. When using, regular polygon frame and reinforcement integrated into one piece make the shaping, set up the reinforcement in the inboard of regular polygon frame, help improving the intensity of regular polygon frame, the reinforcement is used for supporting simultaneously and installs the ovum and glues matrix A or the ovum glues matrix B.
The regular polygon frame is a regular hexagon, and the reinforcing piece is a cross. In use, the number of the supporting plates 11 is equal to the number of sides of the regular polygonal frame, and are uniformly distributed on the upper frame 12 and the lower frame 10.
The upper part of the outer side of the supporting plate 11 is provided with two clamping pieces A111 side by side, the lower part is provided with two bayonets 110 side by side, and the distances between the two clamping pieces A111, between the adjacent clamping pieces A111 and the bayonets 110 and between the two bayonets 110 are equal. The fastener A111 and the support plate 11 are integrally manufactured and formed, and the connecting structure or the connecting mode of the fastener A111 and the bayonet 110 is similar to that of a snap fastener on a schoolbag. The fish nests 1 are connected in a clamping way, and the installation and the disassembly are convenient.
Water holes are processed on the lower frame 10, the upper frame 12 and the supporting plate 11.
The egg-bonding matrix A comprises but is not limited to grass gathering bundles, goldfish algae bundles, potamogeton petiolatus bundles, lycopodium clavatum bundles and salsola collina bundles, and the egg-bonding matrix B is polyethylene fiber silk balls. When the egg adhesion matrix A is used, the selection principle of the egg adhesion matrix A is mainly based on original species of a spawning ground as much as possible so as to attract different fishes to spawn and adhere, and meanwhile, ecological risks caused by selecting foreign species are avoided. The egg-adhesive matrix B is a polyethylene fiber silk ball which is formed by repeatedly impacting polyethylene fibers continuously by using a rigid object until the section shape of each fiber silk changes and is bent into a silk ball state, is a fish egg-adhesive matrix with a soft function and can simulate the ovary production effect naturally formed by natural aquatic plants; the egg-adhesive matrix B can be used repeatedly.
The floater comprises a floater body and is characterized in that two clamping pieces C40 are arranged on the outer circular surface of the floater 4 side by side, the sinker 3 comprises a cylinder 30, one end of the cylinder 30 is closed, the other end of the cylinder 30 is open, the open end of the cylinder 30 is connected with a plug 31 in a threaded mode, a plurality of water passing holes are formed in the cylinder 30, and two clamping pieces B32 are arranged on the outer circular surface of the cylinder 30 side by side. When using, float 4 passes through fastener C40 joint on fish nest 1, then uses the nylon rope to tie to be fixed again, and sinker 3 passes through fastener B32 joint on fish nest 1, then uses the nylon rope to tie to be fixed again, helps improving the installation effectiveness.
An anchor rope 2 is tied on the fish nest system. The fish nest system is fixed in the water body by the anchoring rope 2.
A method for installing a modular artificial fish nest system comprises the following steps:
(1) selecting a proper number of fish nests according to the water area range of the spawning site, wherein the fish nests are clamped together through a clamping piece A on a supporting plate and a clamping opening;
(2) bundling the poly grass, the goldfish algae, the potamogeton petiolatus, the lycopodium clavatum or the salsola collina into bundles, and bundling the bundles on cross-shaped reinforcing pieces at the top of a fish nest system, wherein 4 poly grass bundles, goldfish algae bundles, potamogeton petiolatus bundles, lycopodium clavatum bundles or salsola collina bundles are bundled on each reinforcing piece;
(3) binding polyethylene fiber silk balls to cross-shaped reinforcing pieces at the bottom of the fish nest system, and binding 4 polyethylene fiber silk balls on each reinforcing piece;
(4) the floater 4 is arranged at the bottom of the fish nest system through a clamping piece C40 and is bound and fixed by a nylon rope, the sinker 3 is filled with pebbles and is arranged at the top of the fish nest system through a clamping piece B32, and then the pebbles are bound and fixed by the nylon rope;
(5) the fish nest system is dropped into the spawning site water area and fixed in the water body using the anchor rope 2.
Specifically, the fish nest system is arranged at a position where water flow below a river backwater bay and a pier is slow or micro-flow, or a surface water layer at a still water position of a lake or a reservoir and a water layer within 60cm below the surface water layer, and the flow velocity of the water body is less than 0.2 m/s.
In summary, the modular artificial fish nest system provided by the invention has the beneficial effects that:
1. the top of the fish nest system is bound and fixed with grass gathering bundles, goldfish algae bundles, potamogeton petiolatus bundles, stone pine bundles or salsola collina bundles for the fish with sticky eggs to lay eggs and breed, and provide sheltering and inhabitation sites for the growth of young fishes.
2. Polyethylene fiber silk balls are bound and fixed at the bottom of the fish nest system, can be used for the fish with adhesive eggs to lay eggs and breed, and provide sheltering and inhabiting places for the growth of young fishes, and the polyethylene fiber silk balls can be used repeatedly.
3. The egg-sticking matrix A and the egg-sticking matrix B are both fixed on the fish nest 1, are not easy to float greatly, and are beneficial to the attachment of fish eggs on the egg-sticking matrix A or the egg-sticking matrix B.
4. The whole hexagonal prism column structure that is of fish nest 1 adopts the joint to connect between the fish nest 1, and the installation is dismantled conveniently, can use repeatedly, and a plurality of fish nests 1 link together after compact structure, can tie up more ovum and glue matrix A and ovum and glue matrix B, help improving fertilized egg adhesion area to improve fertilized egg's hatching success rate.
5. The floater 4 and the sinker 3 are firstly connected to the fish nest and then tied and fixed by using nylon ropes, which is beneficial to improving the installation efficiency.
Claims (10)
1. The utility model provides a modularization artifical fish nest system which characterized in that: the upper part of the fish nest system is provided with a sinker (3) and an egg-adhesive matrix A, the lower part of the fish nest system is provided with a floater (4) and an egg-adhesive matrix B, and the fish nest system comprises a plurality of fish nests (1) which are detachably connected together.
2. The modular artificial fish nest system of claim 1, wherein: the fish nest (1) comprises a lower frame (10) and an upper frame (12), wherein the upper frame (12) is connected with the lower frame (10) through a plurality of support plates (11) arranged side by side.
3. The modular artificial fish nest system of claim 2, wherein: the shape and the size of the lower frame (10) are consistent with those of the upper frame (12), and the upper frame (12) comprises a regular polygon frame and a reinforcing piece arranged on the inner side of the regular polygon frame.
4. The modular artificial fish nest system of claim 3, wherein: the regular polygon frame is a regular hexagon, and the reinforcing piece is a cross.
5. The modular artificial fish nest system of claim 2, wherein: the upper part of the outer side of the supporting plate (11) is provided with two clamping pieces A (111) side by side, the lower part is provided with two bayonets (110) side by side, and the distances between the two clamping pieces A (111), between the adjacent clamping pieces A (111) and the bayonets (110) and between the two bayonets (110) are equal.
6. The modular artificial fish nest system of claim 2, wherein: and water holes are formed in the lower frame (10), the upper frame (12) and the supporting plate (11).
7. The modular artificial fish nest system of claim 1, wherein: the egg-bonding matrix A comprises but is not limited to grass gathering bundles, goldfish algae bundles, potamogeton petiolatus bundles, lycopodium clavatum bundles and salsola collina bundles, and the egg-bonding matrix B is polyethylene fiber silk balls.
8. The modular artificial fish nest system of claim 1, wherein: the novel water-saving floater is characterized in that two clamping pieces C (40) are arranged on the outer circular surface of the floater (4) side by side, the sinker (3) comprises a cylinder (30), one end of the cylinder (30) is closed, the other end of the cylinder is open, the open end of the cylinder (30) is in threaded connection with a plug (31), a plurality of water passing holes are formed in the cylinder (30), and two clamping pieces B (32) are arranged on the outer circular surface of the cylinder (30) side by side.
9. The modular artificial fish nest system of claim 1, wherein: an anchoring rope (2) is arranged on the fish nest system.
10. The installation method of the modular artificial fish nest system is characterized by comprising the following steps: the method comprises the following steps:
(1) selecting a proper number of fish nests (1) according to the water area range of a spawning site, wherein the fish nests (1) are clamped together through clamping pieces A (111) and clamping openings (110) on a supporting plate (11);
(2) bundling the poly grass, the goldfish algae, the potamogeton petiolatus, the lycopodium clavatum or the salsola collina into bundles, and bundling the bundles on cross-shaped reinforcing pieces at the top of a fish nest system, wherein 4 poly grass bundles, goldfish algae bundles, potamogeton petiolatus bundles, lycopodium clavatum bundles or salsola collina bundles are bundled on each reinforcing piece;
(3) binding polyethylene fiber silk balls to cross-shaped reinforcing pieces at the bottom of the fish nest system, and binding 4 polyethylene fiber silk balls on each reinforcing piece;
(4) the floater (4) is arranged at the bottom of the fish nest system through a clamping piece C (40) and is bound and fixed by a nylon rope, the sinker (3) is filled with pebbles and is arranged at the top of the fish nest system through a clamping piece B (32), and then the pebbles are bound and fixed by the nylon rope;
(5) the fish nest system is thrown into a water area of a spawning site and is fixed in the water body by using an anchor rope (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010327446.0A CN111387126A (en) | 2020-04-23 | 2020-04-23 | Modular artificial fish nest system and installation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010327446.0A CN111387126A (en) | 2020-04-23 | 2020-04-23 | Modular artificial fish nest system and installation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114766398A (en) * | 2022-06-17 | 2022-07-22 | 中国长江三峡集团有限公司 | Habitat construction device for breeding demand of muco-sinking spawn fish and operation method |
| CN114931121A (en) * | 2022-04-19 | 2022-08-23 | 中国水产科学研究院渔业机械仪器研究所 | Environment-friendly composite artificial fish nest |
| CN115644109A (en) * | 2022-08-15 | 2023-01-31 | 广州翔曦科技有限公司 | Artificial fish nest device for viscous and sinking ovichthys and application method |
-
2020
- 2020-04-23 CN CN202010327446.0A patent/CN111387126A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114931121A (en) * | 2022-04-19 | 2022-08-23 | 中国水产科学研究院渔业机械仪器研究所 | Environment-friendly composite artificial fish nest |
| CN114766398A (en) * | 2022-06-17 | 2022-07-22 | 中国长江三峡集团有限公司 | Habitat construction device for breeding demand of muco-sinking spawn fish and operation method |
| CN114766398B (en) * | 2022-06-17 | 2022-08-30 | 中国长江三峡集团有限公司 | Habitat construction device for breeding demand of muco-settling eggs fish and operation method |
| CN115644109A (en) * | 2022-08-15 | 2023-01-31 | 广州翔曦科技有限公司 | Artificial fish nest device for viscous and sinking ovichthys and application method |
| CN115644109B (en) * | 2022-08-15 | 2024-01-26 | 广州翔曦科技有限公司 | Artificial fish nest device for viscous sinking egg fish and application method |
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