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Cypriniformes (Carps) >
Leuciscidae (Minnows) > Pogonichthyinae
Etymology: Erimystax: Greek, eri = aumentative prefix, a lot + Greek, mystax = moustache (Ref. 45335); cahni: Named after A. R. Cahn, responsible for collecting the first specimens of this species (Ref. 10294).
Eponymy: Dr Alvin Robert Cahn (1892–1971) was an American biologist, naturalist and, by accident, an archaeologist. [...] (Ref. 128868), visit book page.
More on authors: Hubbs & Crowe.
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
; sötvatten bottenlevande; djupintervall 0 - 1 m (Ref. 10294). Subtropical; 38°N - 34°N
North America: upper Tennessee River drainage (Holston, Clinch and Powell Rivers) in Tennessee and Virginia, USA.
Size / Vikt / Age
Könsmognad: Lm ?  range ? - ? cm
Max length : 9.4 cm TL hane/ej könsbestämd; (Ref. 10294); common length : 6.3 cm TL hane/ej könsbestämd; (Ref. 12193)
Inhabits gravel runs and riffles of medium-sized rivers (Ref. 5723, 86798). Feeds on small snails, and immature midges, caddisflies, and mayflies (Ref. 10294).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
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 Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00501 (0.00242 - 0.01036), b=3.11 (2.92 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 2.9 ±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.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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