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Cypriniformes (Carps) >
Nemacheilidae (Brook loaches)
Etymology: Schistura: Greek, schizein = to divide + Greek, oura = tail; an allusion to forked caudal fins (Ref. 45335); nasifilis: Specific epithet from Latin nasus which means nose and filum which means thread.
More on author: Pellegrin.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bentopelagisk. Tropical
Asia: known from high altitudes in the Rivers Ko and Tan in Annam, Viet Nam. Has not been rediscovered since the collection of the types in 1936.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 9.7 cm SL hane/ej könsbestämd; (Ref. 40772)
Mjukstrålar i ryggfenan (totalt) : 12; Mjukstrålar i analfenan: 8. Can be distinguished from any other nemacheiline by the presence of a strong processus dentiformis on both jaws and by anterior nostril pierced in front side of a pointed tube (Ref. 40772).
Body shape (shape guide): elongated.
This species was collected from the upland streams (Ref. 117882). The ovaries of a 6 cm SL female contain ovulae about 0.8 mm in diameter (Ref. 39226).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Kottelat, M., 1990. Indochinese nemacheilines. A revision of nemacheiline loaches (Pisces: Cypriniformes) of Thailand, Burma, Laos, Cambodia and southern Viet Nam. Verlag Dr. Friedrich Pfeil, München, Germany. 262 p. (Ref. 39226)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (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=0.00724 (0.00326 - 0.01610), b=3.03 (2.86 - 3.20), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.0 ±0.3 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Moderate vulnerability (39 of 100). 🛈 |