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Fish Identifier guides

Explore fish markings, body shapes and habitat clues through identification guides and comparisons. Use several features together when checking a possible match.

Editorial checklist image for catfish species showing visible clues and comparison notes.
Fish Identification Jul 2, 2026 7 min read

Catfish Species: Whiskers, Tail Shape, Color, and Habitat

Help readers understand catfish species using visible clues, context, comparisons, and safe next steps. This checklist focuses on whiskers, tail shape, color, habitat, photo limits, common lookalikes, and how to use the Fish Identifier app as a follow-up tool.

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