Author: Vreven & Stiassny, 2009
Comments: Found in shallow, marginal habitats among rocks and rock rubble close to rapids or fast flowing water.  Appears to be sympatric with or at least in close proximity to,  <i>Mastacembelus brichardi</i>, <i>Mastacembelus brachyrhinus</i> and <i>Mastacembelus crassus</i> in Lenga Lenga where the holotype and part of paratypes were collected.  Also caught elsewhere with <i>Mastacembelus congicus</i> and <i>Mastacembelus paucipinnis</i>.  A 6.12 cm SL female specimen had about 15-20, seemingly mature, ovarian eggs with a maximum size of about 1.0 mm diameter.  The occurrence of these large eggs may indicate that reproductive activity occurs in July, the period when the specimens were collected.  Sexually mature at about 6.0 cm SL (Ref. 84205).