NEW CURIMATID, CYPHOCHARAX-LATICLAVIUS (OSTARIOPHYSI, CHARACIFORMES),FROM AMAZONIAN ECUADOR, WITH A MAJOR RANGE EXTENSION FOR CYPHOCHARAX-GOULDINGI

Cyphocharax laticlavius, new species, is described from Amazonian Ecua dor. It is distinguished from congeners by the combination of a dark m idlateral stripe originating at the hypural joint and extending to at least the vertical line through the midbase of the dorsal fin, possess ion of 31 or 32 pored lateral-line scales, and by the extreme reductio n of the sixth infraorbital. The distribution of Cyphocharax gouldingi , previously known only from the eastern portions of the Amazon basin and adjoining drainages of Brazil, is extended to Ecuador.