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Fishes are a paraphyletic group and for this reason, the class Pisces seen in older reference works is no longer used in formal taxonomy.Traditional classification divides fish into three extant classes (Agnatha, Chondrichthyes, and Osteichthyes), and with extinct forms sometimes classified within those groups, sometimes as their own classes: [1]
The slender snipe eel (Nemichthys scolopaceus), also known as the deep sea duck, is a fish that can weigh only a few ounces, yet reach 5 feet or 1.5 m in length.Features include a bird-like beak with curving tips, covered with tiny hooked teeth, which they use to sweep through the water to catch shrimp and other crustaceans.
The location of the State of Tennessee in the United States of America. Topographic map of Tennessee. The U.S. state of Tennessee has a uniquely diverse array of fresh-water fish species, owing to its large network of rivers and creeks, with major waterways in the state including the Mississippi River which forms its western border, the Tennessee River, the Cumberland River, and the Duck River.
The ladyfish are a coastal-dwelling fish found throughout the tropical and subtropical regions, occasionally venturing into temperate waters. [3] Spawning takes place at sea, and the fish larvae migrate inland entering brackish waters. Their food is smaller fish and crustaceans . Typically throughout the species, the maximum size is 1 m (3.3 ft ...
Cypriniformes / s ɪ ˈ p r ɪ n ɪ f ɔːr m iː z / is an order of ray-finned fish, which includes many families and genera of cyprinid (carps and their kin) fish, such as barbs, gobies, loaches, botias, and minnows (among others).
Percophidae was first proposed as a family in 1839 by the English zoologist William John Swainson as a subfamily of the Percidae. [2] The 5th edition of Fishes of the World classifies this family within the order Trachiniformes and divides it into the subfamilies Bempropinae, Henerocoetinae and Percophinae. [3]
The Siganidae was first formally described as a family in 1837 by the Scottish naval surgeon, naturalist and arctic explorer Sir John Richardson. [2] The genus Siganus was described in 1775 by the Danish zoologist Johan Christian Fabricius with Siganus rivulatus, a species also described by Fabricius in 1775, designated as the type species.
The spotfin shiner (Cyprinella spiloptera) is a species of ray-finned fish in the family Cyprinidae. It is a small sized freshwater fish found abundantly in many watercourses of North America. Taxonomy