Klassifizierung / Names
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Cypriniformes (Carps) >
Leuciscidae (Minnows) > Pogonichthyinae
Etymology: Hybognathus: Greek, ybos, -e, -on = curved + Greek, gnathos = jaw; with bulging jaw (Ref. 45335); nuchalis: From the word nuchalis, meaning nape (Ref. 10294).
More on author: Agassiz.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
; süßwasser benthopelagisch. Subtropical; 44°N - 26°N
North America: lowland areas of Mississippi River basin from Ohio to Minnesota and south to Louisiana, USA; Gulf drainages from Mobile Bay in Alabama to Brazos River in Texas, USA.
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 18.0 cm TL Männchen/unbestimmt; (Ref. 86798); common length : 12.5 cm TL Männchen/unbestimmt; (Ref. 12193); max. veröff. Alter: 2.00 Jahre (Ref. 72462)
Adults occur in pools and backwaters of low-gradient creeks and small to large rivers (Ref. 86798). Oviparous, probably open substratum spawners like congeners (Ref. 205). Migratory behaviour is undetermined (Ref. 126106).
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
Page, L.M. and B.M. Burr, 2011. A field guide to freshwater fishes of North America north of Mexico. Boston : Houghton Mifflin Harcourt, 663p. (Ref. 86798)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Tools
Zusatzinformationen
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Phylogenetischer Diversitätsindex (Ref. 82804) |
PD50 = 0.5039 [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). |
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0 |
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Generation time |
5.5 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
Widerstandsfähigkeit (Ref. 120179) |
mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (K=0.2). |
Anfälligkeit der Fischerei (Ref. 59153) |
Moderate vulnerability (37 of 100). 🛈 |