Bony fish are characterized by a relatively stable pattern of cranial bones, rooted, medial insertion of
Early … 詳細

Traditionally, Osteichthyes was considered a class, recognised on the presence of a swim bladder, only three pairs of gill arches hidden behind a bony operculum, and a predominantly bony skeleton. Under this classification sys… 詳細

All bony fish possess gills. For the majority this is their sole or main means of respiration. Lungfish and other osteichthyan species are capable of respiration through lungs or vascularized swim bladders. Other species can resp… 詳細

The ocean sunfish is the heaviest bony fish in the world, in late 2021, Portuguese fishermen found a dead sunfish near the coast of Faial Island, Azores, with a weight of 2,744 kilograms (6,049 lb) and 3.6 metres (12 ft) tal… 詳細

• Ostracoderm - armoured jawless fish.
• Prehistoric fish 詳細