Starfish capturing device and method

A catching device and starfish technology, applied in fishing, application, animal husbandry, etc., can solve the problems of low single-net catch and inconvenient starfish capture operation, and achieve high single-net catch, not easy to escape, and convenient catch operation Effect
CN109832231AActive Publication Date: 2019-06-04MARINE FISHERIES RES INST OF ZHEJIANG
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
MARINE FISHERIES RES INST OF ZHEJIANG
Publication Date
2019-06-04

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Abstract

The invention discloses a starfish capturing device and method and aims to overcome the defects of an existing starfish capturing device and method. The starfish capturing device and method is characterized in that starfish is lured to a luring cylinder and positions around the luring cylinder through starfish bait, a capturing net is released when the fact that the starfish reaches a certain number is observed through a camera, the upper end of the capturing net is connected to the luring cylinder, the counterweight magnets at the lower end of the capturing net attract to one another to allowthe lower end of the capturing net to gather so as to capture the starfish in the capturing net, a negative pressure pump is used to perform water pumping on an attraction channel to form negative pressure so as to firmly suck the starfish attaching to attraction holes to the outer wall of the luring cylinder, and the starfish can be prevented from escaping before the lower end of the capturing net gathers. The starfish capturing device and method has the advantages that the starfish capturing operation is convenient, the starfish cannot escape easily, and high single-net capturing quantity is achieved.
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Description

technical field

[0001] The invention relates to aquatic product capture technology, more specifically, it relates to a starfish capture device and method. Background technique

[0002] Starfish is the most representative group of echinoderms in terms of structure and physiology. The body is flat, mostly five radially symmetrical, and the boundary between the body disc and the wrist is not obvious. In life, the mouth is facing down and the anti-mouth is facing up. The ventral side of the wrist has a step band groove, and podia protrude from the groove. The bone plates of the endoskeleton are connected by connective tissue, which is flexible and bendable. The body surface has spines and fork spines, which are the protrusions of bones. The membranous vesicles protruding from the bone plate are covered with epithelium and lined with coelom epithelium. The inner cavity is connected to the secondary body cavity, called skin gills, which have the functions of respiration and di...

Claims

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