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Depending on species, they grow to 30–110 cm (12–43 in) long. Their distinctive first dorsal fins take the form of a modified oval, sucker-like organ with slat-like structures that open and close to create suction and take a firm hold against the skin of larger marine animals. [ 5 ]
The word stockfish is a loan word from West Frisian stokfisk (stick fish), possibly referring to the wooden racks on which stockfish are traditionally dried or because the dried fish resembles a stick. [2] "Stock" may also refer to a wooden yoke or harness on a horse or mule, once used to carry large fish from the sea or after drying/smoking ...
Male seahorses have a specialized ventral brood pouch to carry the embryos, male sea dragons attach the eggs to their tails, and male pipefish may do either, depending on their species. [4] The most fundamental difference between the different lineages of the family Syngnathidae is the location of male brood pouch. [5]
[25] [26] The beluga sturgeon is the largest species of freshwater bony fish extant today, and Arapaima gigas is among the largest of the freshwater fish. The largest bony fish ever was Leedsichthys , which dwarfed the beluga sturgeon as well as the ocean sunfish , giant grouper and all the other giant bony fishes alive today.
The species occurs in freshwater systems draining into the Arctic Ocean and the Atlantic across Canada, Alaska, and south to New Jersey. It is present on the North American Pacific coast of Alaska and in the Great Lakes basin. It can also be found throughout most of Eurasia, including the United Kingdom, Greenland, Turkey and the Far East. [1]
Coastal fish are found in the waters above the continental shelves that extend from the continental shorelines, and around the coral reefs that surround volcanic islands. . The total world shoreline extends for 356,000 km (221,000 mi) [3] and the continental shelves occupy a total area of 24.3 million km 2 (9 376 million sq mi)
Several species, including the giant sea bass, are overfished and endangered, according to research from the University of California San Diego. Metal detectorist finds 1,200-year-old artifact ...
Although there are freshwater species, the great majority are marine (salt water) species, ranging from tidal zones to depths exceeding 8,800 m (5.5 mi). While most of the approximately 5,000–10,000 known species feed on bacteria and other food particles in the water, some host photosynthesizing micro-organisms as endosymbionts and these ...