Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Cypriniformes
(Carps) > Psilorhynchidae
Etymology: Psilorhynchus: Greek, psilos = hairless + Greek, rhyngchos = snout (Ref. 45335); khopai: Named for Khopai, a small village near the type locality. A noun in apposition.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Tropical
Asia: Tuisi River, Kaladan River drainage in Mizoram, India.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 8.4 cm SL male/unsexed; (Ref. 95676)
Morphology | Morphometrics
soft rays: 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).
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).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Lalramliana, B. Solo, S. Lalronunga and Lalnuntluanga, 2014. Psilorhynchus khopai, a new fish species (Teleostei: Psilorhynchidae) from Mizoram, northeastern India. Zootaxa 3793(2):264-272. (Ref. 95676)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 118484)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00417 (0.00180 - 0.00965), b=3.16 (2.95 - 3.37), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 2.9 ±0.4 se; Based on size and trophs of closest relatives
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .