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Cypriniformes (Carps) >
Leuciscidae (Minnows) > Pogonichthyinae
Etymology: Notropis: A misnomer given by Rafinesque to shriveled specimens, with the meaning of "back keel"; from Greek, noton = back (Ref. 45335); oxyrhynchus: From the Greek words oxys=sharp and rynchus=snout (Ref. 79012).
More on authors: Hubbs & Bonham.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bentopelagisk. Subtropical; 32°N - 30°N
North America: Brazos River and lower portions of large tributaries in Texas, USA.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 9.5 cm SL hane/ej könsbestämd; (Ref. 79012); common length : 4.0 cm TL hane/ej könsbestämd; (Ref. 12193)
Adults inhabit sand and gravel runs of medium to large rivers but is less often found in sand or mud bottomed pools (Ref. 5723). They feed on aquatic and terrestrial invertebrates (71% of diet) detritus, plant material and sand. Batch spawner (Ref. 79012). Migratory behaviour is undetermined (Ref. 126106).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1991. Common and scientific names of fishes from the United States and Canada. Am. Fish. Soc. Spec. Publ. (20):183 p. (Ref. 3814)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Sårbar (VU) (B1ab(i,ii,iii,iv,v)+2ab(i,ii,iii,iv,v)); Date assessed: 30 July 2012
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Harmless
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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=0.00525 (0.00256 - 0.01076), b=3.10 (2.92 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.0 ±0.4 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Low to moderate vulnerability (28 of 100). 🛈 |