Demersal fish
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Demersal fish, also known as groundfish, live and feed on or near the bottom of seas or lakes. They occupy the sea floors and lake beds, which usually consist of mud, sand, gravel or rocks. In coastal
Bluespotted ribbontail ray resting on the seafloor
Rhinogobius flumineus swim on the beds of rivers
Benthic flatfish and benthopelagic cod on a shore – Jan van Kessel senior, 1626–1679
Flounder have both eyes on one side of their head
Cod
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Cod is the common name for the demersal fish genus Gadus, belonging to the family Gadidae. Cod is also used as part of the common name for several other fish species, and one species that belongs to g
Demersal fish
…benthopelagic teleosts all have swimbladders. The dominant species, rattails and cusk eels, have considerable biomass. Other species include deep sea cods (morids), deep sea eels, halosaurs and notacanths. Benthopelagic sharks, like the deep sea squaloid sharks, achieve neutral buoyancy with the use of…
Gadus morhua Cod 2b Atlanterhavsparken Norway
The Atlantic cod, Gadus morhua
A fish with its gills infested with two cod worms
Preserved codfish