Author: DoNascimiento, Provenzano & Lundberg, 2004
Comments: The cave where the fish was collected is near the margin of Río Guasare and is the source of a spring during seasonal rains; its lower conduit has a 280 m course, 2-3 m wide and 1-2 m high, narrowly communicating with the access gallery.  The underground river is permanently fed by a spring about 60 m into the lower gallery.  At the time the collection was made, the average depth of the water course was 1.5 m with deeper pools along its course where the catfishes were observed (Ref. 80467).