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Largemouth Bass


Largemouth Bass

Largemouth Bass are not native to New Hampshire but have become widely established throughout the state's warmwater lakes, ponds, and medium to large rivers.

These introduced fish have naturalized in most New Hampshire waters and are extremely popular with anglers despite being considered an invasive species that can displace native fish.

Scientific Name: Micropterus salmoides


Physical Characteristics:
  • Distinguished from smallmouth bass by their larger mouth that extends past the rear edge of the eye, horizontal black streaks along their sides.

What to know

Habitat Distribution

  • Warmwater lakes, ponds, and medium to large rivers throughout New Hampshire.
  • Inhabit weedy backwaters, ponds, and lake shores with aquatic vegetation and muddy bottoms.

Key Locations

  • Lake Winnipesaukee, Big and Little Squam Lakes, Merrimack River, Connecticut River, Massabesic Lake, Pawtuckaway Lake, Winnisquam, Connecticut and Merrimack River oxbows, numerous smaller warmwater ponds throughout the Lakes/Central, Southeast/Merrimack Valley, and other regions.

Specific Spots

  • Weedy areas, fallen logs, docks, rocky shorelines, drop-offs near spawning areas, structure like submerged logs, weed edges, and rocky points.
  • In summer target deeper water (6-15 feet).

Largemouth Bass FAQ

Answers from onWater's species guide.

What flies work for Largemouth Bass in New Hampshire?

Bumblebee, frog, and chartreuse popping bugs for surface action, Clouser Minnows in chartreuse/white or pink/white for subsurface work, crawfish patterns like Cohen's Jiggy Craw in cooler water, leech patterns in off-color conditions, shad patterns and deer-hair divers when bass aren't hitting the surface.

When is the best time to fish for Largemouth Bass in New Hampshire?

Best largemouth bass fishing occurs from May through September, with peak action in late spring through early fall when water temperatures are 60-80°F. Catch-and-release spawning period May 15 - June 15. Fall fishing is excellent as bass move shallow to feed heavily before winter.

How do you catch Largemouth Bass in New Hampshire?

Use topwater poppers and spinnerbaits in early morning and late evening, switching to soft plastics, crankbaits, and jigs during midday. In summer, fish deeper water (6-15 feet) during hot weather and focus on early morning, evening, or cloudy conditions.

What do Largemouth Bass eat?

Diverse diet including baitfish like bluegill and minnows, crayfish, frogs, insects, and even other bass - known to consume prey up to 50% of their body length.

Where do Largemouth Bass live in New Hampshire?

Warmwater lakes, ponds, and medium to large rivers throughout New Hampshire. Inhabit weedy backwaters, ponds, and lake shores with aquatic vegetation and muddy bottoms.

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