Micropterus salmoides (Lacepède, 1802)

Largemouth bass

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Perciformes \| Centrarchidae
Synonyms	Labrus salmoides, Aplites salmoides, Grystes salmoides, ... more
Common names	Largemouth black bass, Achigan à grande bouche, Perca atruchada, ... more

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Image of Micropterus salmoides (Largemouth bass)

Picture by Lorenzoni, M.

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Main reference

Page, L.M. and B.M. Burr. 1991. (Ref. 5723)
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Size / Weight / Age

Max length : 97.0 cm TL male/unsexed; (Ref. 5723); common length : 40.0 cm TL male/unsexed; (Ref. 556); max. published weight: 10.1 kg (Ref. 4699); max. reported age: 23 years (Ref. 46974)

Environment

Benthopelagic; freshwater; pH range: 7.0 - 7.5; dH range: 10 - ?; depth range ? - 7 m (Ref. 1998)

Climate / Range

Subtropical; 10°C - 32°C (Ref. 12741); 47°N - 26°N

North America: St. Lawrence - Great Lakes, Hudson Bay (Red River), and Mississippi River basins; Atlantic drainages from North Carolina to Florida and to northern Mexico. The species has been introduced widely as a game fish and is now cosmopolitan. Several countries report adverse ecological impact after introduction.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 10; Dorsal soft rays (total): 11 - 14; Anal spines: 3; Anal soft rays: 10 - 12; Vertebrae: 30 - 32. Mouth large; maxillary extending beyond the eye. Pelvic fins not joined by a membrane. Green to olive dorsally, milk-white to yellow ventrally, with a black band running from the operculum to the base of the caudal fin. Caudal fin rounded. Caudal fin with 17 rays (Ref. 2196).

Inhabits clear, vegetated lakes, ponds, swamps. Also in backwaters and pools of creeks and rivers (Ref. 5723). Prefers quiet, clear water and over-grown banks. Adults feed on fishes, crayfish and frogs; young feed on crustaceans, insects and small fishes. Sometimes cannibalistic. Does not feed during spawning; as well as when the water temperature is below 5°C and above 37°C (Ref. 30578). Popular game fish in North America. Preyed upon by herons, bitterns, and kingfishers (Ref. 1998). Excellent food fish (Ref. 1998).


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Potential pest

Human uses
Fisheries: minor commercial; aquaculture: commercial; gamefish: yes; aquarium: public aquariums


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

Tools
Biogeographic modelling \| Bio-Quiz \| E-book \| Field guide \| Identification keys \| Length-frequency wizard \| Life-history tool \| LifeMapper \| Point map

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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Low, minimum population doubling time 4.5 - 14 years (K=0.06-0.14; tm=3-5; tmax=11; Fec=2,000)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Moderate to high vulnerability (45 of 100)	Not marketed/unknown

Entered by Froese, Rainer

Modified by Ortañez, Auda Kareen

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Page last modified by : elaxamana, 15 July 2009

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