Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bottenlevande. Subtropical; 31°N - 30°N
North America: Alamito Creek, Big Bend in Texas, USA and from Lerma River basin, Mexico.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 49.0 cm TL hane/ej könsbestämd; (Ref. 5723)
Inhabits rocky runs and riffles of creeks and small to medium rivers. Often found near boulders in swift water.
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (39 of 100).