Actinopteri (ray-finned fishes) > Centrarchiformes
(Basses) > Centrarchidae
Etymology: Micropterus: Greek, mikros = small + Greek,pteron = wing, fin (Ref. 45335); treculii: Micropterus meaning small fin; treculii, named after the discoverer of the species (Ref. 79012).
More on authors: Vaillant & Bocourt.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal. Temperate; 33°N - 31°N
North America: found only on Edwards Plateau in Brazos, Colorado, Guadalupe, San Antonio and upper Nueces (where introduced) River drainages in Texas, USA.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 46.4 cm TL male/unsexed; (Ref. 40637); max. published weight: 1.7 kg (Ref. 4699)
Occurs in gravel riffles, runs and flowing pools of creeks and small to medium rivers.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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. 125652)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01230 (0.00595 - 0.02544), b=3.07 (2.90 - 3.24), in cm total length, based on LWR estimates for this Subfamily-BS (Ref. 93245
Trophic level (Ref. 69278
): 3.6 ±0.5 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153
): Moderate vulnerability (36 of 100) .
Climate Vulnerability (Ref. 125649
): (0 of 100) .