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The chain pickerel has a distinctive, dark, chain-like pattern on its greenish sides. There is a vertical dark marking underneath the eye, which helps to distinguish the chain pickerel from redfin pickerel (Esox americanus americanus) and grass pickerel (E. americanus vermiculatus), in which the mark curves posteriorly. [8]
A school of fish has many eyes that can scan for food or threats Pacific sardine school reacting to attention from yellowfin tuna. These sometimes immense gatherings fuel the ocean food web. Most forage fish are pelagic fish, which means they form their schools in open water, and not on or near the bottom (demersal fish). Forage fish are short ...
Special cut fillets are taken from solid large blocks; these include a "natural" cut fillet, wedge, rhombus or tail shape. Fillets may be skinless or have skin on; pinbones may or may not be removed. [4] A fletch is a large boneless fillet of halibut, swordfish or tuna. [4] There are several ways to cut a fish fillet:
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.
The water activity, a w, in a fish is defined as the ratio of the water vapour pressure in the flesh of the fish to the vapour pressure of pure water at the same temperature and pressure. It ranges between 0 and 1, and is a parameter that measures how available the water is in the flesh of the fish.
It is a semipelagic fish known to spend time throughout the water column, but is mostly demersal in nature. [21] The species is most common in shallow coastal waters in a number of environments, including coral and rocky reefs and shorefaces, lagoons , embayments, tidal flats and channels.
The northern pike gets its common name from its resemblance to the pole-weapon known as the pike (from the Middle English for 'pointed'). Various other unofficial trivial names are common pike, Lakes pike, great northern pike, great northern, northern (in the U.S. Upper Midwest and in the Canadian provinces of Alberta, Manitoba and Saskatchewan), jackfish, jack, slough shark, snake, slimer ...
The jack-knifefish (Eques lanceolatus) is a species of marine ray-finned fish belonging to the family Sciaenidae, the drums and croakers.It is native to the western Atlantic Ocean, where its distribution extends along the eastern coasts of the Americas from the Carolinas in the United States to Brazil, including the Caribbean. [1]