Cheilinus undulatus conservation method

A corrugated lip fish and conservation technology, applied in fish farming, application, climate change adaptation, etc., can solve the problems of unfavorable large-scale conservation and management of corrugated lip fish, inconvenient feeding of bait, uncontrollable breeding conditions, etc. The effect of reducing killing behavior, improving the survival rate of conservation, and reducing the cost of conservation

Active Publication Date: 2021-04-06
HAINAN ACADEMY OF OCEAN & FISHERIES SCI
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Problems solved by technology

[0005] Although the above-mentioned patents can effectively prevent the corrugated lip fish from killing each other, the culture conditions of the corrugated lip fish are uncontrollable by hanging the corrugated

Method used

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Example Embodiment

[0016]The following will be further described in detail below with reference to specific embodiments:

[0017]This embodiment provides a corrugated lip preservation method, starting a cornering lip fish in each conservation pool, and constructing a conservation density ≤ 5kg / m3Cultivation group; (body weight of corrugated lip fish) / (body weight of the corrugated lip fish in weight) ≥ 3 (the greater the ratio).

[0018]A plastic tube that is suspended from rippled lips is suspended in the conservation pool, which is preferred to suspend plastic tubes in the conservation pool (by stone or sink). The plastic tube is 20-80 cm, 50-150 cm long, and adjusts the corrugated lip fish in the case of corrugation, which can provide corrugated lips and cavity without affecting fish growth as a standard. The corrugated lips are small, susceptible to the frightening, and placing the evading tube to provide a suitable living environment for the corrugated lips, weaken the interference caused by human ...

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Abstract

The invention belongs to the technical field of tropical rare marine fish culture, and particularly discloses a cheilinus undulatus conservation method. The method comprises the following steps: a conservation group of which the conservation density is less than or equal to 5kg/m<3> is constructed in each conservation pond; and in the conservation groups, the ratio of the weight of the cheilinus undulatus with the largest weight to the weight of the cheilinus undulatus with the second largest weight is larger than or equal to 3. According to the cheilinus undulatus conservation method, by constructing the stable conservation groups, the mutual killing behavior among cheilinus undulatus individuals can be effectively prevented, the conservation loss is reduced, the conservation survival rate is increased, meanwhile, the conservation density is properly increased, the conservation cost is reduced, and the conservation efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of tropical famous and precious seawater fish culture, and in particular relates to a conservation method for the rippling fish. Background technique [0002] Cheilinus undulatus (Rüppell, 1835), also known as Sumei, is the largest member of the wrasse family and one of the larger bony fishes in the coral reef area. It is edible fish and can also be used as ornamental fish in aquariums or large display fish tanks. As fishing increases and coral reefs shrink, the number of wild bellfish is declining year by year. [0003] The corrugated lip fish has the following characteristics: (1) The corrugated lip fish has a long growth period. Male individuals generally need 7-8 years to reach sexual maturity and can survive for at least 30 years (25 years old for males and 32 years old for females). The chrysalis is a hermaphroditic premature fish. Most of the chrysalis keep their sex unchanged after birth, and only ...

Claims

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Application Information

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IPC IPC(8): A01K61/10
CPCA01K61/10Y02A40/81
Inventor 符书源郭一兰王永波高进谭围
Owner HAINAN ACADEMY OF OCEAN & FISHERIES SCI
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