Habitat: Freshwater water including streams, ponds; clear and turbid. Distribution: Rio Guarumo Natural History Notes: Nocturnal carnivore; protogynous hermaphrodite; facultative air breather. During the dry season, it resides inactive a burrow although can flee if disturbed. Characteristics: Body long and cylindrical; eyes small; no pectoral and ventral fins; vestigial dorsal and anal fins.