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Guide to Freshwater Fish Identification

Bass Species

  • Striped Bass: Known for its sleek, elongated body and distinctive, continuous black stripes running from gills to tail.
  • Hybrid Striped Bass: A cross between a white bass and a striped bass, featuring similar striping but often with broken lines and a more robust body.
  • Spotted Bass: Similar to largemouth but with a smaller mouth and distinctive rows of dark spots along its greenish sides.
  • Largemouth Bass: Characterized by a large mouth that extends past the eye, a greenish body with a broad, dark lateral stripe.
  • Smallmouth Bass: Bronze or brownish in color, with a smaller mouth that doesn't extend beyond the eye, and dark vertical bands rather than a lateral stripe.
  • Alabama Bass: Similar to the spotted bass, with a slightly larger mouth and deeper body, predominantly found in Alabama and adjacent waters.
  • White Bass: A smaller species with a silvery body and distinct horizontal stripes, not extending to the tail.
  • Yellow Bass: Similar to the white bass but with broken horizontal stripes and a more yellowish hue.
  • Rock Bass: Features a stout body with red eyes and dark spots forming vague stripes across its sides.
  • Shadow Bass: Resembles the rock bass but with more pronounced, darker markings and a preference for shadowy habitats.

Sunfish and Crappie

  • Redear Sunfish: Known for its red or orange edge on the operculum (gill cover), with a dark olive-green body speckled with blue and orange.
  • Black Crappie: Features a silvery-green to black body sprinkled with black spots, with a rounder shape compared to other panfish.
  • White Crappie: Similar to the black crappie but with vertical bars rather than spots and a lighter overall coloration.
  • Bluegill: Recognizable by its deep, slab-sided body, dark operculum flap, and vibrant blue and orange on the lower jaw and belly.

Other Freshwater Species

  • Freshwater Drum: A silvery-gray fish with a deep body and a pronounced lateral line, known for the drumming sound it produces.
  • Common Carp: A large, robust fish with a golden-brown body, barbels (whisker-like organs) near the mouth, and a long dorsal fin.
  • Blue Catfish: The largest species of North American catfish, with a blueish-gray body, a forked tail, and a humpbacked appearance.
  • Flathead Catfish: Distinguished by its flat head, brown to yellow body, and the absence of a deeply forked tail.
  • Channel Catfish: Identified by its slender body, deeply forked tail, and small, black spots along its sides in younger fish.
  • Lake Sturgeon: A prehistoric-looking fish with a shark-like body, rows of bony plates along its sides, and a long, pointed snout.
  • Paddlefish: Unique for its paddle-shaped snout, which is much longer than the rest of its head, and its smooth, scaleless body.

Trout and Salmonids

  • Rainbow Trout: Features a silvery body with a pinkish stripe running the length of its side and small black spots throughout.
  • Brown Trout: Recognizable by its brown or yellow-brown body, with black spots and sometimes red spots surrounded by lighter halos.
  • Brook Trout: Distinctive for its dark green to brown body with a marbled pattern, along with white edges on its fins.
  • Cutthroat Trout: Noted for the distinctive red or orange cutthroat mark beneath the jaw, with varied coloration depending on habitat.
  • Lake Trout: A large, light gray fish with dark spots, preferring colder, deeper waters of northern lakes.

Other Notable Species

  • Walleye: Known for its olive-green body, large, glassy eye reflective for night hunting, and white tip on the lower tail fin.
  • Yellow Perch: Features a yellowish body with dark vertical bars and a greenish back, along with distinctive dorsal fins.
  • Sauger: Similar to walleye but with a spotted dorsal fin, a less prominent eye, and darker, mottled body coloration.
  • Muskellunge: The largest member of the pike family, with a long, slender body marked with stripes, spots, or bars, and a duckbill-shaped mouth.
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