CN204217670U - A kind of laying nest of novel artificial silver shield fish parent fish - Google Patents
A kind of laying nest of novel artificial silver shield fish parent fish Download PDFInfo
- Publication number
- CN204217670U CN204217670U CN201420506301.7U CN201420506301U CN204217670U CN 204217670 U CN204217670 U CN 204217670U CN 201420506301 U CN201420506301 U CN 201420506301U CN 204217670 U CN204217670 U CN 204217670U
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- fish
- rotary strainer
- silver
- described rotary
- nest
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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
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- Artificial Fish Reefs (AREA)
Abstract
The utility model relates to the laying nest of a kind of novel artificial silver shield fish parent fish, comprise a rotary strainer, hypophysis is connected with bottom described rotary strainer, described rotary strainer is provided with rope, described rope upper end is connected with buoy, described rotary strainer is parabolical, and the diameter of described rotary strainer is 45 ~ 50cm, height is 20 ~ 25cm, and the inwall of described rotary strainer is pasted with one deck 60 object screen cloth.The utility model is not only beneficial to the collection of silver-colored shield fish fertilized egg, process and concentrates hatching, and be convenient to this utility model itself location, fish for and inspection, structure is simple in addition, economical and practical, can carry out the scale breeding production of silver-colored shield fish.
Description
Technical field
The utility model relates to the laying nest of a kind of novel artificial silver shield fish parent fish.
Background technology
Silver shield fish, formal name used at school blackberry, blueberry perch (black lamplighter) (
pomoxis nigromacufastus), English name Black crappie, belongs to Centrarchidae (Centrarchidae), and certain kind of berries perch belongs to (Pomoxis), and be a kind of well received game fishes in North America, its meat is delicate, delicious, and commodity value is very high.China is since the U.S. introduces, and artificial breeding success, commercialization cultivation is risen in area, Pearl River Delta, is generalized to China the North and South such as Jiangxi, Hunan, Hubei, Sichuan, Zhejiang and Fujian, is domesticly commonly called as silver-colored shield fish, silver-colored spot perch, U.S. spot perch.This piscinity maturation age was 2 ages, usually started to lay eggs when late spring, laid eggs and continue to early autumn.Silver shield fish parent fish is made cave and to be laid eggs and milter is kept nest and protects ovum habit.Under natural environment, in 0.5 ~ 1.5m shallow water, build occupation of land property fish nest, milter utilizes agitating of its caudal peduncle, sweep extrusion nest at the bottom of harder mud, the dark 5 ~ 15cm of fish nest, diameter about 30 ~ 40cm, after nesting, milter attraction is female enters fish nest, and lay eggs and be fertilized, ovum adheres in fish nest.After laying eggs, namely raun leaves fish nest, is nursed by milter, has both prevented ovum by other fish predations, agitates again fish nest to ovum oxygenation simultaneously, removes the foul in fish nest simultaneously.The artificial propagation techniques of this fish still has many defects at present, because silver-colored shield fish is that sexual gland is in batches ripe, repeatedly lay eggs fish, cement pit induced spawning and breeding technical operation is numerous and diverse, workload is large, parent population damage is serious, and shirtsleeve operation also can cause the radical response of silver-colored shield fish, is also difficult to eliminate after 24 hours; Still there is fertilized egg and collect comparatively difficulty in soil pond natural breed, easily causes the factors such as fish-egg loss.Prior art mainly contains: (1) selects 60 order gauzes to make the pad of 20 cm × 40cm, then sews up brown sheet thereon and make artificial fish nest; (2) fish nest adopts brown sheet shop fixtures, and surrounding brick is built nested, then nest surrounding is added brown sheet, for Gunther parent fish spawning; (3) in artificial nest, place 60 order fish screen cloths of one piece of 30 cm x 40 centimetres, press bottom artificial nest with handstone.Existing problems: artificial spawning nest shape and natural birth ovary inconsistent, easily cause fish-egg to run off; And fish nest is distributed in after at the bottom of pond, daily observation and fertilized egg collector are inconvenient, need pond under operating personnel, easily cause parent population to produce stress reaction; Fish nest lacks telltale mark, easily causes the problems such as omission.
Utility model content
The utility model makes improvement for above-mentioned prior art Problems existing, and namely technical problem to be solved in the utility model is to provide the laying nest of the silver-colored shield fish parent fish of a kind of structure novel artificial that is simple, that be convenient to collect silver-colored shield fish fertilized egg.
In order to solve the problems of the technologies described above, the technical solution of the utility model is: a kind of laying nest of novel artificial silver shield fish parent fish, comprise a rotary strainer, be connected with hypophysis bottom described rotary strainer, described rotary strainer is provided with rope, and described rope upper end is connected with buoy.
Further, described rotary strainer is parabolical.
Further, the diameter of described rotary strainer is 45 ~ 50cm, height is 20 ~ 25cm.
Further, the inwall of described rotary strainer is pasted with one deck 60 object screen cloth.
Further, described rope has three, and described rope lower end is all connected with rotary strainer upper edge.
Compared with prior art, the utility model has following beneficial effect: (1) is beneficial to collection, the process of silver-colored shield fish parent fish fertilized egg and concentrates hatching; (2) be convenient to the location of this utility model itself, fish for and inspection; (3) directly can hang and hatch in nursery pond or in incubation net cage, separately need not build special silver-colored shield fish hatchery; (4) structure is simple, economical and practical, and can reuse after sterilization, and the scale breeding that can carry out silver-colored shield fish is produced.
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
Accompanying drawing explanation
Fig. 1 is the organigram of the utility model embodiment.
In figure: 1-rotary strainer, 2-hypophysis, 3-rope, 4-buoy.
Embodiment
As shown in Figure 1, a kind of laying nest of novel artificial silver shield fish parent fish, comprise a rotary strainer 1, be connected with hypophysis 2 bottom described rotary strainer 1, described rotary strainer 1 is provided with rope 3, and described rope 3 upper end is connected with buoy 4.
In the present embodiment, described rotary strainer 1 is in parabolical, consistent with silver-colored shield fish nature fish nest shape of building, silver-colored shield fish this laying nest acceptant; Described rotary strainer 1 can be plastic screen, bamboo weaving sieve etc., and material is common, is convenient to obtain; The diameter of described rotary strainer 1 is 45 ~ 50cm, height is 20 ~ 25cm, is convenient to silver-colored shield fish parent fish and enters in this laying nest and perch pairing, mate and oviposit; The inwall of described rotary strainer 1 is pasted with one deck 60 object screen cloth, described screen cloth is nylon mesh tulle cloth, ovum due to silver-colored shield fish parent fish is viscid egg, adhesion is strong, the material of this screen cloth, mesh size are easy to the attachment of silver-colored shield fish fertilized egg, and be conducive to current exchange, ensure oxygen content, the foul in this laying nest can be removed simultaneously in time.Described screen cloth stretches out the upper edge of rotary strainer 1 and anti-package, and screen cloth nylon rope is fixed on rotary strainer 1, can certainly fix, be not limited to this with other ropes.
In the present embodiment, described hypophysis 2 is bundled in bottom rotary strainer 1 by nylon rope, and for making this laying nest sink at the bottom of pond, described hypophysis 2 can be cement block, fragment of brick, stone etc.
In the present embodiment, described rope 3 has three, described rope 3 lower end is all connected with rotary strainer 1 upper edge, a buoy 4 is connected after the knotting of rope 3 end, rope 3 length makes this laying nest just can be sink at the bottom of parent fish pond; buoy 4 can just be bubbled through the water column, to facilitate the location of this laying nest, fish for and check.Three ropes 3 that described trisection point place fastens are convenient to observer and are mentioned this laying nest, it can not be made to topple, be convenient to again put forth effort.Certainly, four or five ropes 3 can be fastened in the fourth class branch on rotary strainer 1 top sides edge or five Along ent places, be decided according to the actual requirements, be not limited thereto.
During use: this laying nest is positioned at the bottom of the pond, shallow water position of silver-colored shield fish parent fish spawning pond 0.5 ~ 1.0m, it is 2 ~ 3 Ge/㎡ that laying nest places density, quantity is generally often pair of parent population and configures 1, operating personnel adopt stock hook to hook up laying nest inspection by buoy 4, when being checked through silver-colored shield fish and laying eggs, this laying nest is together taken out together with the fertilized egg sticked in this laying nest from spawning pond, and supplements an empty laying nest in original place.After the fertilized egg of collecting is sterile-processed together with this laying nest; directly can hang and hatch in nursery pond or in incubation net cage; incubation rate is high; and separately need not build special silver-colored shield fish hatchery; this laying nest after hatching is reusable after cleaning and sterilizing; economical and practical, the scale breeding that can carry out silver-colored shield fish is produced.
The foregoing is only preferred embodiment of the present utility model, all equalizations done according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (2)
1. the laying nest of a novel artificial silver shield fish parent fish, it is characterized in that: comprise a rotary strainer, hypophysis is connected with bottom described rotary strainer, described rotary strainer is provided with rope, described rope upper end is connected with buoy, described rotary strainer is parabolical, and the diameter of described rotary strainer is 45 ~ 50cm, height is 20 ~ 25cm, and the inwall of described rotary strainer is pasted with one deck 60 object screen cloth.
2. the laying nest of a kind of novel artificial silver shield fish parent fish according to claim 1, it is characterized in that: described rope has three, described rope lower end is all connected with rotary strainer upper edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420506301.7U CN204217670U (en) | 2014-09-04 | 2014-09-04 | A kind of laying nest of novel artificial silver shield fish parent fish |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420506301.7U CN204217670U (en) | 2014-09-04 | 2014-09-04 | A kind of laying nest of novel artificial silver shield fish parent fish |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204217670U true CN204217670U (en) | 2015-03-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420506301.7U Expired - Fee Related CN204217670U (en) | 2014-09-04 | 2014-09-04 | A kind of laying nest of novel artificial silver shield fish parent fish |
Country Status (1)
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| CN (1) | CN204217670U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106614156A (en) * | 2016-11-14 | 2017-05-10 | 中国水产科学研究院黄海水产研究所 | Spawning and hatching equipment for prawns |
| CN110178763A (en) * | 2019-06-23 | 2019-08-30 | 中国水产科学研究院淡水渔业研究中心 | A kind of artificial fish nest for thering is nest building behavior to produce viscid egg fish suitable for interior |
| CN110178764A (en) * | 2019-06-24 | 2019-08-30 | 中国水产科学研究院淡水渔业研究中心 | A kind of artificial fish nest for thering is nest building behavior to produce viscid egg fish |
| CN112931346A (en) * | 2021-03-15 | 2021-06-11 | 潍坊新力蒙水产技术有限公司 | Attachment base for aquaculture |
| CN113367086A (en) * | 2021-03-17 | 2021-09-10 | 广东海洋大学 | Method for collecting, separating, incubating, identifying and classifying live eggs of natural marine demersal fish eggs |
-
2014
- 2014-09-04 CN CN201420506301.7U patent/CN204217670U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106614156A (en) * | 2016-11-14 | 2017-05-10 | 中国水产科学研究院黄海水产研究所 | Spawning and hatching equipment for prawns |
| CN110178763A (en) * | 2019-06-23 | 2019-08-30 | 中国水产科学研究院淡水渔业研究中心 | A kind of artificial fish nest for thering is nest building behavior to produce viscid egg fish suitable for interior |
| CN110178764A (en) * | 2019-06-24 | 2019-08-30 | 中国水产科学研究院淡水渔业研究中心 | A kind of artificial fish nest for thering is nest building behavior to produce viscid egg fish |
| CN112931346A (en) * | 2021-03-15 | 2021-06-11 | 潍坊新力蒙水产技术有限公司 | Attachment base for aquaculture |
| CN113367086A (en) * | 2021-03-17 | 2021-09-10 | 广东海洋大学 | Method for collecting, separating, incubating, identifying and classifying live eggs of natural marine demersal fish eggs |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 Termination date: 20200904 |