Fishby LogoFishby

Redeye Piranha and Similar Species

Serrasalmus rhombeus

Got a photo? Identify fish instantly with the Fishby app.

Open the app

Several fish can be confused with Redeye Piranha. Here are the key differences.

Species often confused with {name}

Red-bellied Piranha

Pygocentrus nattereri

Key differences: P. nattereri typically has a more rounded body profile, a distinct red or orange belly (especially in adults), and often a more schooling behavior. S. rhombeus is generally more solitary and lacks the prominent red belly, though some forms may have reddish opercula.

Gold Piranha

Serrasalmus manueli

Key differences: S. manueli often exhibits a more golden or yellowish body coloration, particularly on the flanks, and may have a slightly different head profile. S. rhombeus is typically darker and more uniformly grey/black.

White Piranha

Serrasalmus brandtii

Key differences: S. brandtii is generally smaller, has a more elongated body, and often a lighter, more silvery coloration without the strong dark pigmentation of many S. rhombeus forms. Its distribution is also more restricted to specific Brazilian river basins.

Explore Redeye Piranha

Identify fish anywhere

Free on iOS, Android, and Web. Photo identification, full species details, and more.

Open in app