Largemouth Bass (Micropterus salmoides)

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Largemouth Bass

1351 largemouth bass (Micropterus salmoides) 300 dpi.jpg
Largemouth Bass

Micropterus salmoides

473 Litres (125 US G.)

70-97 cm (27.6-38.2")




7.0 - 7.5

1 -22 °C (33.8-71.6°F)

10-15 °d

1:1 M:F

Pellet Foods
Flake Foods
Live Foods

12-14 years



This animal is available captive bred

Additional names

Largemouth, Northern Largemouth, Green Bass, Large-mouth Bass

Additional scientific names

Labrus salmoides, Aplites salmoides, Grystes salmoides, Huro salmoides, Huro nigricans, Grystes nigricans, Perca nigricans, Grystes megastoma


From the St. Lawrence to the 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.


Not sexually dimorphic

Tank compatibility[edit]

Best kept in large species tanks in a group, or with similar-sized robust North American fish. Smaller fish are likely to be eaten or nipped.


Largemouth Bass are unfussy eaters, they should be fed high quality pellets or flake and supplemented with foods like bloodworm, shrimp, earthworms, crickets and wingless fruit flies. May also accept some vegetable material.

Feeding regime[edit]

Feed once or twice a day.

Environment specifics[edit]

Keep this fish in large well-filtered tanks. Planting should be robust as this fish may redecorate and the tank should be dimly lit.


Generally placid


A greenish-grey fish with black stripes down the length of the body.

External links[edit]