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Cypriniformes (Carps) >
Psilorhynchidae (Mountain carps)
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.
Eponymy: This is a toponym; Khopai is a small village near the Tuisi River, Mizoram, India, where the holotype was acquired. (Ref. 128868), visit book page.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
; zoet water benthopelagisch. Tropical
Asia: Tuisi River, Kaladan River drainage in Mizoram, India.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 8.4 cm SL mannelijk / geslacht onbekend; (Ref. 95676)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale zachte stralen (totaal) : 11; Anale zachte stralen: 9; Wervels: 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).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
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)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00417 (0.00182 - 0.00956), b=3.17 (2.97 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisch niveau (Ref. 69278) |
2.9 ±0.2 se; based on size and trophs of closest relatives |
Kwetsbaarheid van de visserij (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |