Freshwater lookalikes
The pairs that fool anglers most often in lakes and rivers, and the one or two marks that settle each.
Entries in this topic
Largemouth vs smallmouth bass
Check where the jaw ends. On a largemouth it reaches past the back of the eye; on a smallmouth it stops below the eye.
Explore entry ↗Freshwater lookalikesBlack crappie vs white crappie
Count the hard spines in the dorsal fin. Seven or eight usually means black crappie; five or six means white.
Explore entry ↗Freshwater lookalikesWalleye vs sauger
A white tip on the lower lobe of the tail means walleye. Rows of dark spots on the spiny dorsal fin mean sauger.
Explore entry ↗Freshwater lookalikesTrout identification
Five trout cover most catches in North America, and each has one mark that gives it away: a pink band, haloed spots, worm-like markings, a red throat slash or a deeply forked tail.
Explore entry ↗Freshwater lookalikesFishBase
The standard scientific reference for fish names, ranges and body features.
Explore entry ↗Sources for this entry
- CatchVault species profiles: Company-published pages for the species the app recognizes.
Practical guidance is original editorial writing. App details come from the developer’s published descriptions, checked .
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How the related websites connect
This reference is published alongside CatchVault. Species profiles live on the CatchVault website, and sister references cover fishing apps in general and fishing regulations.
Explore related references · CatchVault’s official websiteCite this entry
Best Fish Identifier App. “Freshwater lookalikes.” Content reviewed .
https://bestfishidentifierapp.com/topics/species/