SYNBRANCHIFORMES

Synbranchidae . Secondary.

Ophisternon aenigmaticum Rosen & Greenwood, 1976 . Obscure swamp eel, anguila falsa. Native. Departments: Atlántida, Copán and Cortés. Drainages: Atlantic slope: Motagua, Chamelecón, Ulúa, Leán and Cangrejal.

Synbranchus marmoratus Bloch, 1795 . Marbled swamp eel, anguila de lodo. Native.

Departments: Atlántida, Choluteca, Colón, Comayagua, Copán, Cortés, El Paraíso, Francisco Morazán, Intibucá, La Paz, Olancho, Santa Bárbara, Gracias a Dios, Valle and Yoro. Drainages: Atlantic slope: Motagua, Chamelecón, Ulúa, Leán, Cangrejal, Lislis, Aguán, Sico-Tinto, Plátano, Patuca, Warunta and Coco. Pacific slope: Lempa, Goascorán, Nacaome, Choluteca and Negro.