Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bentopelagisk. Subtropical; 32°N - 30°N
North America: known only from Brazos, Colorado, Guadalupe and San Antonio River drainages in Texas, USA. Nearly confined to Edwards Plateau.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 13.0 cm TL hane/ej könsbestämd; (Ref. 5723)
Inhabits rocky riffles and runs of small to medium rivers (Ref. 5723).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
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. 3814)
IUCN Red List Status (Ref. 130435: Version 2024-2)
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=0.00575 (0.00268 - 0.01234), b=3.13 (2.95 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.4 ±0.5 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).