CN202035389U - Epinephelus akaara prelarval fish avoider - Google Patents
Epinephelus akaara prelarval fish avoider Download PDFInfo
- Publication number
- CN202035389U CN202035389U CN2011201211410U CN201120121141U CN202035389U CN 202035389 U CN202035389 U CN 202035389U CN 2011201211410 U CN2011201211410 U CN 2011201211410U CN 201120121141 U CN201120121141 U CN 201120121141U CN 202035389 U CN202035389 U CN 202035389U
- Authority
- CN
- China
- Prior art keywords
- fish
- epinephelus akaara
- plastic
- prelarval
- avoider
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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 utility model relates to an epinephelus akaara prelarval fish avoider. As shown in the accompanying drawing, the epinephelus akaara prelarval fish avoider is provided with four round plastic plates (4), wherein four holes (5) are arranged in the same positions of the plastic plates, four hollow plastic pipes (6) with screw threads at both ends are penetrated into the holes (5), sleeve pipes (9) with the same length are sheathed outside the hollow plastic pipes (6) among all of the plastic plates, the two ends of the hollow plastic pipes are respectively fixed through screw caps (3), four plastic ropes (2) are used, the lower end of the each plastic rope respectively penetrates through pendant stones (7) and is then tied to form knots (8), the ropes respectively pass through the hollow plastic pipes (6) from the bottom, in addition, the four plastic ropes are knotted after the being merged above the top of the plastic pipes, the ropes are tied on a transverse rod (1), and the epinephelus akaara prelarval fish avoider is suspended in a water pool. The epinephelus akaara prelarval fish avoider can provide an avoiding space and a relatively quiet environment for the prelarval fish so that the breeding survival rate of the epinephelus akaara is improved to 8 percent, and the epinephelus akaara prelarval fish avoider is convenient and practical and can be popularized and applied.
Description
Technical field
The utility model relates to the young juvenile fish of a kind of epinephelus akaara and hides device, be a kind of when epinephelus akaara is grown seedlings for improving the device that young juvenile fish survival rate is used.
Technical background
Epinephelus akaara (Epinephelus akaara) is subordinate to Perciformes, Anabantoidei, Sushi section, Epinephelus, is commonly called as erythema, Grouper fish, is a kind of famous and precious islands and reefs economic fish, is distributed in China East Sea, the South Sea and India, Japan and Korea bank.This oppresses delicious U.S., and is nutritious, and price is higher, is convenient to live transport and foster temporarily again, and it is very good to propagate prospect artificially.Simultaneously, grouper is a kind of region fish, is the very desirable propagation kind of releasing.Chinese scholars has just been carried out the research of epinephelus akaara artificial breeding technology the sixties as far back as eighties of last century, but still fails to reach industrialization level so far.The survival rate of seedling of epinephelus akaara has only about 3% at present, and this all has confidential relation with the little opening difficulty of epinephelus akaara bore, sex reversal archiblast difference and young juvenile fish autotomy etc.Simultaneously; epinephelus akaara is a kind of islands and reefs fish; juvenile fish is the same with adult fish not to have colonization; and polydispersion is active in the nursery pond, often suffers from " being excited to die suddenly " disease, and the individuality that shows as normal swimming is subjected to certain physical stimulation; as sampling, soil pick-up with change water etc.; even just beat pool wall sometimes, and the epinephelus akaara young juvenile fish meeting moment lymphogranuloma inguinale and the gill cover are opened greatly, and health is stiff and dead.In view of various reasons dead in the above epinephelus akaara seedling raising process, design a kind of device that supplies the young juvenile fish of epinephelus akaara to hide, for young juvenile fish provides the space of perching of hiding, reduce " being excited to die suddenly " sick and autotomy lethality, be very necessary to improving the epinephelus akaara survival rate of seedling.
Summary of the invention
For at above-mentioned the deficiencies in the prior art, Physiological Ecology habit according to epinephelus akaara, in conjunction with epinephelus akaara seedling growing process characteristics, the life habit of simulation epinephelus akaara in natural environment, design a kind of device that supplies the young juvenile fish of epinephelus akaara to hide, to improve the survival rate of seedling of epinephelus akaara.
The utility model is implemented by following technical scheme, be provided with 4 round plastic plates, have porous onboard, wherein on same position, have 4 holes, hollow plastic tube with 4 two headband screw threads seals in these 4 holes, be with the sleeve pipe of equal length between every plastic plate in the hollow plastic tube outside, play the support plastic plate, use fixed by nut respectively for two; With 4 plastic ties, after putting on dropstone, every plastic ties lower end ties a knot, and pass hollow plastic tube from the bottom respectively, and 4 plastic ties are closed up the back knotting in the plastic tube over top, tie up to be suspended in the pond on the cross bar and form.Hide the gap that the young juvenile fish of epinephelus akaara can hide at random between two plastic plates, to reduce physical stimulation and the autotomy influence to its survival rate.When above hiding device, having dirt to adhere to, can pick up device, slowly put into the pond after rinsing well with fresh water again and continue to use.
This shows that the utility model has utilized epinephelus akaara to like perching characteristic in islands and reefs rock seam, for it provides the sufficient space of perching, quiet relatively habitat, help improving the survival rate of seedling of epinephelus akaara, and simple in structure, practical, be beneficial to and promote the use of.
Description of drawings
Accompanying drawing: the utility model structural representation;
Specific embodiment
The utility model structure is seen shown in the accompanying drawing, be provided with 4 round plastic plates 4, on plastic plate, have porous, and on same position every have 4 holes 5, hollow plastic tube 6 with 4 two headband screw threads seals in the hole 5, be with the sleeve pipe 9 of equal length between every plastic plate in the hollow plastic tube outside, two fix with nut 3 respectively, with 4 plastic ties 2, every plastic ties lower end string is gone up dropstone 7 back knottings 8, and pass hollow plastic tube 6 respectively from the bottom, and knotting together after the plastic tube over top is closed up 4 plastic ties, tie up to be suspended in the pond on the cross bar 1 and form.
Above-mentioned the utility model, by the evidence of epinephelus akaara indoor raising of seedling, hang 2 the utility model devices in 10 tons of cement pits, can be its young juvenile fish sufficient space and the relative quiet environment of perching is provided, to control the sudden death of being excited of the young juvenile fish of epinephelus akaara effectively " and autotomy, make the survival rate of seedling of epinephelus akaara be increased to 8%.As seen, the utility model is simple in structure, practical and convenient, can be applicable.
Claims (5)
1. the young juvenile fish of epinephelus akaara is hidden device, it is characterized in that this device is provided with 4 round plastic plates [4], and same position has 4 holes [5] onboard, seals in the hole [5] with the hollow plastic tube [6] of 4 two headband screw threads and forms.
2. the young juvenile fish of a kind of epinephelus akaara according to claim 1 is hidden device, it is characterized in that being provided with outside the hollow plastic tube [6] between 4 round plastic plates [4] sleeve pipe [9] of equal length.
3. the young juvenile fish of a kind of epinephelus akaara according to claim 1 is hidden device, it is characterized in that two of hollow plastic tube [6] use nut [3] to fix respectively.
4. the young juvenile fish of a kind of epinephelus akaara according to claim 1 is hidden device, it is characterized in that 4 plastic ties [2] pass hollow plastic tube [6].
5. hide device according to claim 1 or the young juvenile fish of 4 described a kind of epinephelus akaaras, it is characterized in that every plastic ties [2] lower end string has dropstone [7] and is equipped with knot [8].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201211410U CN202035389U (en) | 2011-04-22 | 2011-04-22 | Epinephelus akaara prelarval fish avoider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201211410U CN202035389U (en) | 2011-04-22 | 2011-04-22 | Epinephelus akaara prelarval fish avoider |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202035389U true CN202035389U (en) | 2011-11-16 |
Family
ID=44962867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201211410U Expired - Fee Related CN202035389U (en) | 2011-04-22 | 2011-04-22 | Epinephelus akaara prelarval fish avoider |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202035389U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107897071A (en) * | 2017-11-07 | 2018-04-13 | 浙江海洋大学 | It is a kind of reduce view and admire shrimp kill and devour and can appearance incorporate make scape aquarium hide device |
-
2011
- 2011-04-22 CN CN2011201211410U patent/CN202035389U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107897071A (en) * | 2017-11-07 | 2018-04-13 | 浙江海洋大学 | It is a kind of reduce view and admire shrimp kill and devour and can appearance incorporate make scape aquarium hide device |
| CN107897071B (en) * | 2017-11-07 | 2020-03-24 | 浙江海洋大学 | Avoidance device capable of reducing cannibalism of ornamental shrimps and integrating appearance into landscape aquarium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111116 Termination date: 20120422 |