![]() Adult anguillidae can vary in color, but normally are brown, olive or olive-yellow, and can be mottled. ![]() Therefore, female anguillids are usually larger, ranging from 1.5 – 3 feet, while male anguillids rarely get larger than 1.5 feet long. Male anguillids invest more energy into mating with as many females as he can, than they do into growth. Anguillidae do exhibit size-dependent sexual dimorphism. Additionally, freshwater eels possess small, granular teeth arranged in bands on the jaws and vomer. Unlike most eels, freshwater eels have not lost their scales, and instead have soft, thin, scales that are embedded in the epidermis. They have relatively well developed eyes and pectoral fins compared to saltwater eels that they use to navigate and maneuver through river bottoms and shallow water. They have large, pointed heads and their dorsal fins are usually continuous with their caudal and anal fins, to form a fringe lining the posterior end of their bodies. Many populations in the wild are now threatened, and Seafood Watch recommend consumers avoid eating anguillid eels.Īdult freshwater eels are elongated with tubelike, snake-shaped bodies. Eels are an important food fish and some species are now farm-raised, but not bred in captivity. They are catadromous fish, spending their adult lives in freshwater, but migrating to the ocean to spawn. They are elongated fish with snake-like bodies, their long dorsal, caudal and anal fins forming a continuous fringe. Eighteen of the 19 extant species and six subspecies in this family are in the genus Anguilla. ![]() ![]() The Anguillidae are a family of ray-finned fish that contains the freshwater eels. ![]()
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