Actinopteri (ray-finned fishes) > Centrarchiformes
(Basses) > Centrarchidae
Etymology: Centrarchus: Greek, kentron = sting + Greek, archos = anus (Ref. 45335); macropterus: From the Greek words kentron=spine, archos=anus (referring to the development of the anal spines); macropterus (Greek)=long fin (Ref. 79012). More on author: Lacepède.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal; pH range: 6.5 - 7.5; dH range: 10 - 15. Temperate; 12°C - 22°C (Ref. 1672); 42°N - 29°N
North America: occurs only in the USA from Potomac River drainage in Maryland to central Florida and west to Trinity River in Texas; north in Former Mississippi Embayment to southern Illinois and southern Indiana.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 29.2 cm TL male/unsexed; (Ref. 40637); common length : 13.0 cm TL male/unsexed; (Ref. 12193); max. published weight: 560.00 g (Ref. 4699); max. reported age: 6 years (Ref. 72462)
Occur in swamps, vegetated lakes, ponds, sloughs and backwaters and pools of creeks and small rivers, usually over mud (Ref. 5723, 10294). Invertivore: feed mainly on Hemiptera and Corixidae (Ref. 79012).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Produces a minimum of 200 eggs.
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. 123251)
CITES (Ref. 123416)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01413 (0.00674 - 0.02961), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.2 ±0.38 se; based on food items.
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (tmax=5).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (33 of 100) .