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Actinopterygii (/ ˌæktɪnɒptəˈrɪdʒiaɪ /; from actino- 'having rays' and Ancient Greek πτέρυξ (ptérux) 'wing, fins'), members of which are known as ray-finned fish or actinopterygians, is a class of bony fish [2] that comprise over 50% of living vertebrate species. [3] They are so called because of their lightly built fins made of ...
Ray-finned fish. Wikimedia Commons has media related to Actinopterygii. This category contains articles about taxa at the order level in the class Actinopterygii, the ray-finned fishes . The ray-finned fishes contain most of the species of fish and these are divided into 46 orders. Most of the fishes known to aquarists and anglers are within ...
Bony fishes are divided into ray-finned and lobe-finned fish. Most living fish are ray-finned, an extremely diverse and abundant group consisting of over 30,000 species. It is the largest class of vertebrates in existence today, making up more than 50% of species. [13] In the distant past, lobe-finned fish were abundant; however, there are ...
Characteristics. Guiyu oneiros, the earliest-known bony fish, lived during the Late Silurian, 419 million years ago). [ 1] It has the combination of both ray-finned and lobe-finned features, although analysis of the totality of its features places it closer to lobe-finned fish. [ 2][ 3][ 4] Early lobe-finned fishes are bony fish with fleshy ...
Percomorpha (from Latin perca 'perch' and Ancient Greek μορφή (morphḗ) 'shape, appearance') is a large clade of ray-finned fish with more than 17 000 known species that includes the tuna, seahorses, gobies, cichlids, flatfish, wrasse, perches, anglerfish, and pufferfish.
Neopterygii. Neopterygii (from Greek νέος neos 'new' and πτέρυξ pteryx 'fin') is a subclass of ray-finned fish (Actinopterygii). Neopterygii includes the Holostei and the Teleostei, of which the latter comprise the vast majority of extant fishes, and over half of all living vertebrate species. [ 2]
Salmonidae (/ sælˈmɒnɪdiː /, lit. "salmon-like") is a family of ray-finned fish that constitutes the only currently extant family in the order Salmoniformes (/ sælˈmɒnɪfɔːrmiːz /, lit. "salmon-shaped"), consisting of 11 extant genera and over 200 species collectively known as " salmonids " or " salmonoids ".
Cyprinodontiformes / ˌ s ɪ p r ɪ n oʊ ˈ d ɒ n t ɪ f ɔːr m iː z / is an order of ray-finned fish, comprising mostly small, freshwater fish. [1] Many popular aquarium fish, such as killifish and live-bearers, are included. They are closely related to the Atheriniformes and are occasionally included with them.