Malacopterygii
Malacopterygii A name now little used, describing the group (superorder) comprising the ‘lower’ bony fish (Osteichthyes), characterized by the possession of only soft-rayed fins (no spines), often single dorsal and adipose fins, both dorsal and pelvic fins located roughly midway along the back and belly profile, and the pectorals set low on the body. The ‘higher’ bony fish are usually grouped as the Acanthopterygii.
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Cartilaginous Fishes , The class Chondrichthyes consists of the cartilaginous fishes, including sharks, batoids (rays, skates, guitarfish, and sawfishes), and chimaeras, or… Actinopterygians , Holostei Group of marine and fresh water bony fish including many fossil species, e.g. Lepidotes (Triassic—Cretaceous), and Dapedius (Jurassic). Holo… Ichthyology , Ichthyology is the branch of zoology (the study of animals) that deals with fish. It includes the study of the development, anatomy (structure), phys… Heterocercal Tail , Skip to main content
heterocercal tail
heterocercal tail In fish, a tail in which the tip of the vertebral column turns upward, extending into the do… garfish , garfish •raffish • damselfish •catfish, flatfish •garfish, starfish •redfish •elfish, selfish, shellfish •devilfish •crayfish, waifish •stiffish • ki… Osteichthyes , Osteichthyes, or bony fishes, includes two major groups: Sarcopterygii, or lobe-finned fishes, and Actinopterygii, or ray-finned fishes. The characte…
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Malacopterygii