Crenicichla yahaa sp. n. (Perciformes, Labroidei, Cichlidae), a new species from the rio Iguazú basin arroyo Urugua-í basins, northestern Argentine.

CASCIOTTA JORGE; ALMIRÓN ADRIANA; GÓMEZ SERGIO

Zoologische Abhendlugen

Lugar: Dresden; Año: 2006 p. 107 - 112

0375-5231

Crenicichla yahaa sp. n. is described from the rio Iguazú and arroyo Urrugua-í basins in Misiones Province, northeastern Argentina. Crenicichla yaha sp. n. can be differentited from the remaining species within the genus by the following combination of characters: 1)serrated posterior border of the preopercle, 2) 48-51 scales on the E1 row, 3)isognathous jaws or sligghtly prognathous upper jaw, 4)presence of suborbital stripe, 5)flanks with five or six dark rectangular blotches just below the upper lateral line along dorsal-fin base, and 6) lacking of vertical stripes