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Blacknosed Butterflyfish and Similar Species

Johnrandallia nigrirostris

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Several fish can be confused with Blacknosed Butterflyfish. Here are the key differences.

Species often confused with {name}

Threeband Butterflyfish

Chaetodon humeralis

Key differences: While also yellow and found in the Eastern Pacific, C. humeralis has three distinct vertical black bands on its body, rather than a single band through the eye and a black snout. Its body shape is also slightly more rounded.

Cortez Butterflyfish

Chaetodon sedentarius

Key differences: The Cortez Butterflyfish has a more subdued yellow-white body with a dark bar through the eye, but lacks the prominent black snout of J. nigrirostris. Its overall coloration is less vibrant yellow.

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