Psilorhynchus Olliei (Psilorhynchus olliei) is a ray-finned fish of the family Psilorhynchidae. It inhabits freshwater waters. This species can reach a maximum total length of 5.4 cm. With a trophic level of 3, it is a low-level carnivore, feeding on invertebrates and small organisms.
Dorsal soft rays (total): 13; Anal soft rays: 8; Vertebrae: 32 - 33. Psilorhynchus olliei belongs to the P. balitora species group and is distinguished from all other members by the following combination of characters: 5-6 round to squarish lateral blotches; 6-7 dorsal saddles, all but largest separated from lateral blotches; small dark brown blotches scattered irregularly across scales in L1, L+1 and L+2 scale rows in posterior half of body; obvious row of small dark brown blotches in L-1 row, bordering ventral margin of lateral blotches in posterior half of body; caudal fin with elongate black marking extending along ventral margin of lower lobe; dorsal fin with black stripe across center that is widest anteriorly; 31-32 lateral-line scales; 10 + 9 principal caudal-fin rays; v.9-10.i-ii pectoral-fin rays; 32-33 (16-17+16-17) total vertebrae; anteriormost branchiostegal ray present; parietal portion of temporal sensory canal with 3 openings; preopercular portion of preopercular-mandibular canal with 4 openings; ventral surface between paired fins without scales . : elongated.
Behavioural data for Psilorhynchus Olliei is currently being reviewed.
Freshwater; benthopelagic. Tropical
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