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Gyotaku print of a fish. Gyotaku (魚拓, from gyo "fish" + taku "stone impression") is the traditional Japanese method of printing fish, a practice which dates back to the mid-1800s. This form of nature printing was used by fishermen to record their catches, but has also become an art form of its own. The gyotaku method of printmaking uses ...
Ikejime. Tekagi (手鉤), the tool that is used for performing ikejime. Ikejime (活け締め) or ikijime (活き締め) is a method of killing fish that maintains the quality of its meat. [1] The technique originated in Japan, but is now in widespread use. It involves the insertion of a spike quickly and directly into the hindbrain, usually ...
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.
A fish aggregating (or aggregation) device ( FAD) is a man-made object used to attract pelagic fish such as marlin, tuna and mahi-mahi (dolphin fish). They usually consist of buoys or floats tethered to the ocean floor. Various types of FADs have been employed in the traditional fishing cultures of Island Southeast Asia (especially in the ...
A larger version of the instrument, with a bigger blade, is used for gutting and cutting fish. Another version of the instrument comprises the Nariyal Khuruchni (coconut grater) in the form of a flat round top with sharp small shark-like teeth all around it to serrate coconut. Dao or daa (one of many variants called in Bangladesh, specifically Chittagong and Sylhet) is a variation of boti ...
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 ...
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 ...
Snagging. Snagging, also known as snag fishing, snatching, snatch fishing, jagging (Australia), or foul hooking, is a fishing technique for catching fish that uses sharp grappling hooks tethered to a fishing line to externally pierce (i.e. "snag") into the flesh of nearby fish, without needing the fish to swallow any hook with its mouth like in ...