Actinopterygii (ray-finned fishes) >
(Perches) > Etheostomatinae
Greek, etheo = to strain + Greek, stoma = mouth; Rafinesque said "various mouths", but Jordan and Evermann suggest the name might have been intended as "Heterostoma (Ref.
meaning snub-nosed (Ref.
. More on author:
Environment: milieu / climate zone / depth range / distribution range
North America: found only in Cumberland and Tennessee River drainages in Virginia, North Carolina, Kentucky, Tennessee, Georgia and Alabama, USA.
Size / Weight / Age
range ? - ? cm
Max length : 7.7 cm TL male/unsexed; (Ref.
); common length : 5.0 cm TL male/unsexed; (Ref.
Inhabits current-swept rocky pools and adjacent riffles of creeks and small to medium rivers (Ref.
); also found in streams (Ref.
). Feeds on midge larvae, with mayfly nymphs, caddis larvae, and microcrustacea (Ref.
Life cycle and mating behavior
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.
Phylogenetic diversity index (Ref.
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00513 (0.00202 - 0.01299), b=3.14 (2.92 - 3.36), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref.
Trophic Level (Ref.
): 3.3 ±0.5 se; Based on size and trophs of closest relatives
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
): Low vulnerability (16 of 100) .
Reyes, Rodolfo B.
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