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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 / depth range / distribution range
Οικολογία
; Γλυκού νερού βενθικό(ς); εύρος βάθους 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.
Μέγεθος / Βάρος / Age
Maturity: Lm ?  range ? - ? cm
Max length : 9.4 cm TL αρσενικό/απροσδιόριστο; (Ref. 10294); common length : 6.3 cm TL αρσενικό/απροσδιόριστο; (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
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
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 2024-2)
Threat to humans
Harmless
Human uses
Εργαλεία
Special reports
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Διαδικτυακές πηγές
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).
Τροφικό Επίπεδο (Ref.
69278): 2.9 ±0.4 se; based on size and trophs of closest relatives
Ελαστικότητα (Ref.
120179): Υψηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού < 15 μήνες (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).