Micropterus salmoides Lacepиde, 1802, Carolinas, United States. Two subspecies are recognized.
OTHER COMMON NAMES
English: Green bass, largemouth black bass, northern largemouth bass; French: Achiganа grande bouche; German: Forellenbarsch; Spanish: Huro, lobina negra.
Maximum total length 38 in (97 cm). About one-third as wide as long, distinguished in part by a deeply cut dorsal fin. Differs from its relative the smallmouth bass (M. dolomieui) by its lack of horizontal striping on the head, the presence of a dark horizontal stripe on each side of the body instead of vertical banding, and a maxillary that reaches just past the eye.
North America from the Great Lakes east to the Atlantic coast, and from Lake Winnipeg south to northern Mexico. Also widely introduced throughout the United States and around the world, including Europe, South America, and Africa.
Freshwater fish, prefers lakes, ponds, swamps, and river/stream backwaters with considerable hiding places, including thick vegetation or rocky structures.
Juveniles school, but adults are solitary animals that remain near cover, such as logs or heavy vegetation and seldom venture into waters deeper than 20 ft (6 m).
FEEDING ECOLOGY AND DIET
Diurnal feeder on crustaceans and other invertebrates, also fishes.
Spawns in the late spring and early summer. The male becomes territorial and makes depressions in the substrate of weedy areas to serve as nests. A single female may lay eggs over several nests. Both males and females provide parental care, and have been known to guard the eggs and young for up to a month after hatching. Parental care continues as long as the young fishes remain schooled.
SIGNIFICANCE TO HUMANS
Part of a large, popular fishing industry in the United States and Canada.
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