Author: (Meek & Hildebrand, 1914)
Comments: Recorded from rivers and coastal creeks of low to moderate current velocity.  Generally occurs near shorelines among grasses or undergrowth.  Sometimes found in tidelands near stream outlets; in rivers it reaches 20 m elevation.  Food consists of small aquatic insects (Ref. 36880).  Probably reaching 19-20 cm SL.  Ovoviviparous (Ref. 205).  The male carries the eggs in a brood pouch which is found under the tail (Ref. 205).  Males may be brooding at 9-10 cm SL.