Country Species Summary

Micropterus salmoides in US Virgin Islands
Largemouth bass

Micropterus salmoides (Lacepède, 1802)
Family:	Centrarchidae (Sunfishes)	picture (Misal_u3.jpg) by Lorenzoni, M.
Order:	Perciformes (perch-likes)
Class:	Actinopterygii (ray-finned fishes)
FishBase name:	Largemouth bass
Max. size:	97.0 cm TL (male/unsexed; Ref. 5723); max. published weight: 10.1 kg (Ref. 4699); max. reported age: 23 years
Environment:	benthopelagic; pH range: 7 - 7.5; dH range: 10 ; depth range - 7 m
Climate:	subtropical; 10 - 32°C; 47°N - 26°N
Global Importance:	fisheries: minor commercial; aquaculture: commercial; aquarium: public aquariums
Resilience:	Low, minimum population doubling time 4.5 - 14 years (K=0.06-0.14; tm=3-5; tmax=11; Fec=2,000)
Distribution:	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.
Diagnosis:	Dorsal spines (total): 10-10; Dorsal soft rays (total): 11-14; Anal spines: 3-3; 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).
Biology:	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)
Threatened:	Not Evaluated, see IUCN Red List , (Ref. 36508)
Dangerous:	potential pest
Coordinator:
Main Ref:	Page, L.M. and B.M. Burr. 1991. (Ref. 5723)
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US Virgin Islands country information
Common names:	[ No common name ]	Ref:
Status:	introduced	Ref:
Salinity:	freshwater
Regulations:	no regulations	Ref:
Uses:	no uses
Comments:	Introduced to freshwater ponds and grows to at least 15 lbs; feeds on fishes and aquatic insects (Ref. 26180).
Country Information:	www.cia.gov/cia/publications/factbook/geos/vq.html
Occurrences:	Occurrences Point map
Main Ref:	Ogden, J.C., J.A. Yntema and I. Clavijo, 1975
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Checked: Capuli, Estelita Emily

Modified: Froese, Rainer

Entered: Capuli, Estelita Emily

CGNET - US

Page created by: Eli, 20.10.03, last modified by Eli, 26.06.07

	Ref.:		Glossary
		(e.g. 9948)		(e.g. cephalopods)
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