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Deep water demersal fish live beyond this edge, mostly down the continental slopes and along the continental rises which drop to the abyssal plains. This is the continental margin, constituting about 28% of the total oceanic area. [20] Other deep sea demersal fish can also be found around seamounts and islands.
Acreichthys tomentosus, commonly known as the bristle-tail filefish or Aiptasia-eating filefish, is a species of demersal marine fish which belongs to the family Monacanthidae and is widespread throughout the tropical waters of the Indo-west Pacific.
White fish (Atlantic cod) White fish fillet (halibut – on top) contrasted with an oily fish fillet (salmon – at bottom)Whitefish or white fish is a fisheries term for several species of demersal fish with fins, particularly Atlantic cod (Gadus morhua), whiting (Merluccius bilinearis), haddock (Melanogrammus aeglefinus), hake (Urophycis), and pollock (Pollachius), among others.
As demersal fish, threefin blennies spend most of their time on or near the bottom on coral and rocks. The fish are typically found in shallow, clear waters with sun exposure, such as lagoons and seaward reefs ; nervous fish, they retreat to rock crevices at any perceived threat.
It is a demersal fish that lives on sandy bottoms in the eastern Indian Ocean, particularly Indonesia and northwestern Australia. It can reach 15 centimetres (5.9 in) in length. It can reach 15 centimetres (5.9 in) in length.
A flounder's diet consists mainly of fish spawn, crustaceans, polychaetes and small fish. Flounder typically grow to a length of 22–60 centimeters (8 + 1 ⁄ 2 – 23 + 1 ⁄ 2 in), and as large as 95 centimeters (37 in). Their width is about half their length.
The distinction between demersal species of fish and pelagic species is not always clear cut. The Atlantic cod (Gadus morhua) is a typical demersal fish, but can also be found in the open water column, and the Atlantic herring (Clupea harengus) is predominantly a pelagic species but forms large aggregations near the seabed when it spawns on banks of gravel.
Cod (pl.: cod) is the common name for the demersal fish genus Gadus, belonging to the family Gadidae. [1] Cod is also used as part of the common name for a number of other fish species, and one species that belongs to genus Gadus is commonly not called cod (Alaska pollock, Gadus chalcogrammus).