Maratecoara Costa

Costa, Wilson J. E. M., 2007, Taxonomy of the plesiolebiasine killifish genera Pituna, Plesiolebias and Maratecoara (Teleostei: Cyprinodontiformes: Rivulidae), with descriptions of nine new species, Zootaxa 1410, pp. 1-41 : 31

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 ).

Figures

FIGURE 22. Geographic distribution of the genus Maratecoara. dots = M. lacortei; square = M. splendida; lozenge = M. formosa. One symbol may represent more than one collecting site.