Parodontidae
Parodontidae (superorder Ostariophysi, order Cypriniformes) A small family of freshwater fish that have a single, soft-rayed, mid-dorsal fin, small adipose fin, and a ventrally positioned mouth. They are found in S. American rivers.
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Osteoglossiformes , Osteoglossiformes (subclass Actinopterygii, superorder Osteoglossomorpha) An order of freshwater fish that includes several families with fossil rela… Actinopterygians , Holostei Group of marine and fresh water bony fish including many fossil species, e.g. Lepidotes (Triassic—Cretaceous), and Dapedius (Jurassic). Holo… Minnow , minnow, common name for the Cyprinidae, a large family of freshwater fish which includes the carp (Cyprinus carpio), and of which there are some 2,40… 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… Ray , ray1 / rā/ • n. 1. each of the lines in which light (and heat) may seem to stream from the sun or any luminous body, or pass through a small opening:… Fin , fin / fin/ • n. a flattened appendage on various parts of the body of many aquatic vertebrates and some invertebrates, including fish and cetaceans,…
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Parodontidae