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Age determination in fish. Removing an otolith from a red snapper to determine its age. Knowledge of fish age characteristics is necessary for stock assessments, and to develop management or conservation plans. Size is generally associated with age; however, there are variations in size at any particular age for most fish species making it ...
Hangetsu-giri; half-moon cut, cut into round slices which are cut in half. Aname-giri ; diagonal cut, cut at a 45-degree angle to make oval slices. Icho-giri; gingko leaf cut, cut into round slices which are cut into quarters. Koguchigiri; small edge cuts into tiny round slices. Kushigatagiri; wedge cut or comb cut.
Fluorescence in situ hybridization ( FISH) is a molecular cytogenetic technique that uses fluorescent probes that bind to only particular parts of a nucleic acid sequence with a high degree of sequence complementarity.
Fishing techniques are methods for catching fish. The term may also be applied to methods for catching other aquatic animals such as molluscs ( shellfish, squid, octopus) and edible marine invertebrates . Fishing techniques include hand-gathering, spearfishing, netting, angling and trapping.
Trawling. Trawling is an industrial method of fishing that involves pulling a fishing net, which is heavily weighted to keep it on the seafloor, through the water behind one or more boats. The net used for trawling is called a trawl. This principle requires netting bags which are towed through water to catch different species of fishes or ...
Cutbow. The cutbow ( Oncorhynchus clarkii × mykiss) is an interspecific fertile hybrid between rainbow trout ( Oncorhynchus mykiss) and cutthroat trout ( O. clarkii ). While natural separation of spawning habitat limited hybridization in most native populations of rainbow and cutthroat trout, introduction of non-native hatchery-raised rainbow ...
Common uses of the Ishikawa diagram are product design and quality defect prevention to identify potential factors causing an overall effect. Each cause or reason for imperfection is a source of variation. Causes are usually grouped into major categories to identify and classify these sources of variation.
A fish fillet processor processes fish into a fillet. Fish processing starts from the time the fish is caught. Popular species processed include cod, hake, haddock, tuna, herring, mackerel, salmon and pollock . Commercial fish processing is a global practice. Processing varies regionally in productivity, type of operation, yield and regulation.