Maratecoara Costa

Maratecoara Costa, 1995a: 68 (type species: Cynolebias lacortei Lazara, by original designation).

Diagnosis. Distinguished from all other plesiolebiasine genera by the following unique features of males: dorsal and anal fins long, tips beyond posterior margin of caudal fin (vs. short, tips reaching between caudal peduncle and caudal-fin base); caudal fin lanceolate, tip with two or three filamentous rays (vs. caudal fin rounded and without filaments); opercular membranes with blue iridescence, long, extending on anterior portion of pectoral fins (vs. opercular membrane short and hyaline); and flanks metallic blue, with orangish golden spots (vs. never a similar color pattern).

Distribution. Das Mortes–Araguaia–Tocantins river basin, central Brazil (Fig. 22).