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 American Eel Anguilla rostrata (Lesueur, 1817) RANGE: Red River to the Rio Grande; no longer found in far western portions of Texas. HABITAT: Rivers and creeks. During the day, eels hide in undercut banks and deep pools with logs and boulders . Habitat and range have been reduced by the construction of dams. CHARACTERISTICS: (1) Slightly compressed, snakelike body. (2) Jaws with well-developed teeth. (3) One gill slit in front of each pectoral fin. (4) Long dorsal fin that is continuous with caudal and anal fins. (5) Pelvic fins absent. (6) Scales small and embedded. DIMENSIONS: Up to 4.3 ft (1.3 m) and 7.5 lbs (3.4 kg). COLORATION: Dorsal and lateral region olive to olive brown; ventral region pale yellow to white. Breeding specimens take on a gray coloration. COMMENTS: The American eel is a catadromous species; adults migrate to the Sargasso Sea (in the western Atlantic Ocean) to spawn. Ribbonshaped (leptocephalus) larvae are planktonic and are carried by currents to the coast of North America. Larvae metamorphose into “glass eels” and move upstream into rivers to mature into adults. American Eel—Family Anguillidae American eel, Anguilla rostrata, 11.5 in (292 mm) ...

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