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Cypriniformes (Carps) >
Psilorhynchidae (Mountain carps)
Etymology: Psilorhynchus: Greek, psilos = hairless + Greek, rhyngchos = snout (Ref. 45335); kosygini: Name 'kosygini' in honor of Dr Kosygin Laishram, Scientist E, Zoological
Survey of India, for his contribution to the freshwater fish faunal of the Indian region.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
; zoet water demersaal. Subtropical
Asia: India.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 9.6 cm SL mannelijk / geslacht onbekend; (Ref. 137607)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale zachte stralen (totaal) : 8; Anale zachte stralen: 6; Wervels: 42. This species is distinguished by the following set of characters: 3-4 scales positioned along the mid-ventral region between the posterior base of the pelvic fin and the anal opening; body elongate with 41-42 scales along the lateral line; 14 scales in the pre-dorsal region; 8 scales around the caudal peduncle; 9-10 branched pectoral-fin rays; eye diameter 15-21% HL; head length 18.2-19.9% SL; body depth 15.6-18.3% SL; head depth 50-58% HL and vertebrae 42 (Ref. 137607).
Body shape (shape guide): elongated; Cross section: oval.
This species generally inhabits rivers with rapid water currents, and substrates ranging from rocky to soft sediments (Ref. 137607).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Shangningam, B., 2024. Psilorhynchus kosygini, a new species of torrent minnow (Teleostei: Psilorhynchidae) from Nagaland, north-east India. J. Nat. Hist. 58(33-36):1293-1302. (Ref. 137607)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van geen belang
Tools
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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). 🛈 |