| Family: |
Psilorhynchidae (Mountain carps) |
| Max. size: |
8.37 cm SL (male/unsexed) |
| Environment: |
benthopelagic; freshwater |
| Distribution: |
Asia: Tuisi River, Kaladan River drainage in Mizoram, India. |
| Diagnosis: |
Dorsal soft rays (total): 11-11; Anal soft rays: 9-9; Vertebrae: 40-41. Psilorhynchus khopai is a member of P. homaloptera species group and distinguished from its congeners in having the following combination of characters: 9-12 indistinct small dark brown round markings arranged in a longitudinal row on mid-lateral body, giving appearance of a faint brown lateral stripe; 7-9 unbranched rays on pectoral fin; 3 unbranched dorsal and anal fin rays; 9 + 9 principal caudal fin rays; forked caudal fin; 14-17 predorsal scale rows; 39-41 lateral-line scale rows; adpressed anal fin tip not reaching caudal fin base; and, in life, a faint gold stripe along dorsal midline with 4-5 black spots between dorsal fin and caudal fin base (Ref. 95676).
Description: Dorsal-fin rays iii,8; anal-fin rays iii,6; pectoral-fin rays vii,9 or viii,9 or ix,9; pelvic-fin rays ii,7; pelvic-fin origin vertical through, or slightly posterior to, dorsal fin origin; vertebrae 40 or 41, consisting of 27 or 28 abdominal and 13 caudal (Ref. 95676) |
| Biology: |
Inhabits moderate- to fast-flowing sections of the river with sparse vegetation and a substrate of
pebble, sand, gravel and small boulder. Occurs together with Glyptothorax spp., Garra spp., Schistura spp. and Batasio convexirostrum (Ref. 95676). |
| IUCN Red List Status: |
Not Evaluated (N.E.) Ref. (130435)
|
| Threat to humans: |
harmless |
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