The vast majority of extant fish are members of Osteichthyes, being an extremely diverse and abundant group consisting of 45 orders, over 435 families and 28,000 species.

Bony fish, any member of the superclass Osteichthyes, a group made up of the lobe-finned fishes and the ray-finned fishes of the subphylum Vertebrata, including the great majority of living fishes and …

Osteichthyes, known as the bony fish, are a taxonomic class (or superclass) of fish and the largest class of vertebrates in existence today. With over 26,000 species, they comprise over 95 percent of all fish …

Apr 12, 2024 · Osteichthyes, also known as bony fish, are a diverse group of vertebrates characterized by skeletons primarily composed of bone tissue. They form the largest class of vertebrates, with over …

Oct 25, 2025 · Osteichthyes, or bony fishes, are a diverse group characterized by their bony skeleton, operculum covering the gills, and typically possessing a swim bladder. They represent the vast …

These ancestral forms also gave rise to a group of vertebrates that contain 96% of the living bony fish and the rest of the tetrapods. The bony fish form a large group called Osteichthyes.

Feb 4, 2026 · Osteichthyes are a class of fish characterized by having an endoskeleton made of bone rather than cartilage, as seen in cartilaginous fish (Chondrichthyes). Osteichthyes include a wide …

Mar 19, 2025 · More commonly called Bony fishes, they represent a class of vertebrates equipped with jaws (Gnathostomata) to which are attributed forms that characterize for having a completely ossified …

Working with others to conserve, protect and enhance fish, wildlife, plants and their habitats for the continuing benefit of the American people.

Like all fishes, Osteichthyes are cold-blooded vertebrates that breathe through gills and use fins for swimming. Bony fishes share several distinguishing features: a skeleton of bone, scales, paired fins, …