01699nab a2200313 a 4500 AR-ReUNN 20260702003227.0 260630s ag |||||||||||||||||spa Almirón, Adriana Edith 120495 Casciotta, Jorge Rafael 9235 Hyphessobrycon wajat n. sp. from La Plata basin in Argentina - Characiformes : Characidae - 8 páginas Almirón, A. E.-Departamento científico Zoología Vertebrados, Museo de la Plata, Paseo del Bosque, 1900 La Plata, Argentina Hyphessobrycon wajat, a new species is described from the río Paraná basin in Argentina. This species can be distinguised from its congeners by the following combination of characters: dorsal fin with a black spot, first two dorsal rays with their basal half dusky black, rays 4 to 8 and membranes completely black. Presence of a triangular caudal spot, covering all the base of the caudal fin rays, reaching symmetrically the end of the fin along its central rays. Three to five teeth on the maxilla. Two to four tricuspid teeth on the outer series of the premaxilla. Males lacking hooks on pelvic fins. Low body depth, between 22.8 and 28.8% of standard length Argentina 4258 Inland Waters 117440 Freshwater Fish 117439 Characidae 83021 New Species 147007 Characiformes 9240 Longitud 128642 Length 146998 Nuevas Especies 148408 Peces de Agua Dulce 6471 Revue Suisse de Zoologie (1999) 234607 ART (INICN)54238 237449 237449 237449 AR-ReUNN spa AR-ReUNN aacr2