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Actinopterygii (/ ˌ æ k t ɪ n ɒ p t ə ˈ r ɪ dʒ i aɪ /; from Ancient Greek ἀκτίς (aktis) 'having rays' and 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]
Batoidea is a superorder of cartilaginous fishes, commonly known as rays. They and their close relatives, the sharks , compose the subclass Elasmobranchii . Rays are the largest group of cartilaginous fishes, with well over 600 species in 26 families.
Batomorphi is a clade of cartilaginous fishes, commonly known as rays, ... Guitar fish Rays Shape laterally compressed spindle dorsoventrally compressed (flattened) disc
Acanthopterygii (meaning "spiny finned one") is a superorder of bony fishes in the class Actinopterygii.Members of this superorder are sometimes called ray-finned fishes for the characteristic sharp, bony rays in their fins; however this name is often given to the class Actinopterygii as a whole.
A round ribbontail ray in the Maldives, where it is a valuable ecotourist draw. The round ribbontail ray is not aggressive and has been known to approach and investigate divers. [10] However, if harassed it can inflict a severe wound with its venomous tail spine. This species has been responsible for at least one recorded fatality of a diver ...
The fanray (Platyrhina sinensis) is a species of ray in the family Platyrhinidae that lives in the western Pacific Ocean. It typically grows to a length of 30–50 centimetres (12–20 in) and a weight of 200–500 grams (7.1–17.6 oz), with a brown upperside and a white underside. It eats fish and crustaceans and has poor mobility.
Ray-finned fish (Actinopterygii class) genera; Subcategories. This category has the following 8 subcategories, out of 8 total. C. Catfish genera (465 P) Characiformes ...
Rays, including guitarfish, belong to the ancient lineage of cartilaginous fishes. Fossil denticles (tooth-like scales in the skin) resembling that of today's chondrichthyans date at least as far back as the Ordovician , with the oldest unambiguous fossils of cartilaginous fish dating from the middle Devonian .