🏞️ Freshwater

Largemouth Bass

Micropterus salmoides

The largemouth bass is America's most popular sport fish and one of the most recognized freshwater fish in North America. Known for its aggressive strikes and acrobatic fights, it inhabits lakes, ponds, rivers, and reservoirs across the continent. Its distinctive large mouth — which extends past the eye — gives this bass its name and sets it apart from other bass species.

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Typical Size
12–24 inches (30–61 cm) typical; can reach up to 38 inches (97 cm)
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Weight
1–5 lbs (0.45–2.3 kg) typical; record over 22 lbs (10 kg)
Lifespan
10–16 years in the wild
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Water Type
Freshwater

🗺️ Habitat

Lakes, ponds, reservoirs, and slow-moving rivers across North America. Prefers shallow, vegetated areas near structures like logs, rocks, and aquatic weeds.

🔍 How to Identify Largemouth Bass

  • 1Large mouth that extends past the rear of the eye when closed
  • 2Horizontal dark stripe running along the lateral line from head to tail
  • 3Olive-green to dark green body with lighter belly
  • 4Two dorsal fins — front spiny, rear soft-rayed — with a notch between them
  • 5No scales on the lower part of the cheek (unlike smallmouth bass)

🍽️ Diet

Carnivore — eats crayfish, frogs, insects, small fish, and even small birds or mammals near the water surface

💡 Fun Facts About Largemouth Bass

  • The largemouth bass can detect vibrations through its lateral line system
  • Bass are aggressive nest guarders — males protect eggs and fry from predators
  • They can inhale prey by rapidly expanding their large mouth, creating suction
  • The world record largemouth bass was 22 lbs 4 oz, caught in 1932 in Georgia
  • Largemouth bass are the state fish of Mississippi, Georgia, and Florida

🛡️ Conservation Status

Least Concern — widely abundant and managed through catch-and-release fishing programs

🔗 Related Species

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