Micropterus salmoides, Largemouth black bass : fisheries, aquaculture, gamefish, aquarium

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Micropterus salmoides (Lacepède 1802)

Largemouth black bass
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Micropterus salmoides
Picture by Scarola, J.F.

Classification / Names Noms communs | Synonymes | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

> Centrarchiformes (Basses) > Centrarchidae (Sunfishes)
Etymology: Micropterus: Greek, mikros = small + Greek,pteron = wing, fin (Ref. 45335);  salmoides: salmoides meaning trout-like (Ref. 1998).  More on author: Lacepède.

Environment: milieu / climate zone / depth range / distribution range Écologie

; eau douce benthopélagique; pH range: 7.0 - 7.5; dH range: 10 - ?; profondeur 0 - 6 m (Ref. 1998).   Subtropical; 10°C - 32°C (Ref. 12741); 46°N - 24°N, 125°W - 65°W (Ref. 89798)

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

North America: St. Lawrence - Great Lakes, and Mississippi River basins from southern Quebec to Minnesota and south to Gulf; Atlantic and Gulf 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.

Taille / Poids / Âge

Maturity: Lm ?  range ? - ? cm
Max length : 97.0 cm TL mâle / non sexé; (Ref. 86798); common length : 40.0 cm TL mâle / non sexé; (Ref. 556); poids max. publié: 10.1 kg (Ref. 4699); âge max. reporté: 23 années (Ref. 46974)

Description synthétique Morphologie | Morphométrie

Épines dorsales (Total): 10; Rayons mous dorsaux (Total): 11-14; Épines anales 3; Rayons mous anaux: 10 - 12; Vertèbres: 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).

Biologie     Glossaire (ex. epibenthic)

Inhabit lakes, ponds, swamps, and backwaters and pools of creeks, and small to large rivers (Ref. 86798). Usually found over mud or sand and common in impoundments (Ref. 5723). They prefer quiet, clear water and over-grown banks. Adults feed on fishes, crayfish and frogs; young feed on crustaceans, insects and small fishes. Sometimes cannibalistic. They don't feed during spawning; as well as when the water temperature is below 5°C and above 37°C (Ref. 30578). Builds nest at 25 mm-203 mm deep (Ref. 1998). An introduced species in Europe reported to avoid fast-flowing waters and to occur in estuaries with a salinity up to 13 ppt (Ref. 59043). Popular game fish in North America. Preyed upon by herons, bitterns, and kingfishers (Ref. 1998). Excellent food fish (Ref. 1998).

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

The male which becomes aggressive and territorial builds the nest on muddy bottoms of shallow water. A female may spawn with several males on different nests. The male guards and fans the eggs for about 29 days (Ref. 93240). Spawning takes place spring to summer or when temperature reaches 15°C. Adults mate between the age of 5-12 years (Ref. 11243). Also Ref, 88808).

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Page, L.M. and B.M. Burr, 2011. A field guide to freshwater fishes of North America north of Mexico. Boston : Houghton Mifflin Harcourt, 663p. (Ref. 86798)

Statut dans la liste rouge de l'IUCN (Ref. 123251)

  Préoccupation mineure (LC) ; Date assessed: 14 November 2018

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Potential pest





Utilisations par l'homme

Pêcheries: intérêt commercial mineur; Aquaculture: commercial; pêche sportive: oui; Aquarium: Aquariums publics
FAO(Aquaculture: production; pêcheries: production; publication : search) | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5001   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01047 (0.00906 - 0.01210), b=3.08 (3.04 - 3.12), in cm total length, based on LWR estimates for this species (Ref. 93245).
Niveau trophique (Ref. 69278):  3.8   ±0.4 se; based on diet studies.
Generation time: 5.2 (4.6 - 5.8) years. Estimated as median ln(3)/K based on 40 growth studies.
Résilience (Ref. 120179):  Faible, temps minimum de doublement de population : 4,5 à 14 années (K=0.06-0.14; tm=3-5; tmax=16; Fec=2,000).
Vulnérabilité (Ref. 59153):  Moderate to high vulnerability (45 of 100) .
Catégorie de prix (Ref. 80766):   Unknown.