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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.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bentopelagisk. Tropical
Asia: Tuisi River, Kaladan River drainage in Mizoram, India.
Storlek / Vikt / Ålder
Könsmognad: Lm ? range ? - ? cm
Max length : 8.4 cm SL hane/ej könsbestämd; (Ref. 95676)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Mjukstrålar i ryggfenan (totalt) : 11; Mjukstrålar i analfenan: 9; Ryggkotor: 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).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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 på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00417 (0.00178 - 0.00974), b=3.16 (2.95 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 2.9 ±0.2 se; based on size and trophs of closest relatives
Sårbarhet i fisket (Ref.
59153): Low vulnerability (10 of 100).
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