Fishby LogoFishby

Cortez Damselfish and Similar Species

Stegastes rectifraenum

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

Open the app

Several fish can be confused with Cortez Damselfish. Here are the key differences.

Species often confused with {name}

Giant Damselfish

Microspathodon dorsalis

Key differences: The Giant Damselfish is significantly larger (up to 30 cm) and has a more robust body. While also dark, it lacks the distinct yellowish caudal fin of the Cortez Damselfish and has a more pronounced hump on its forehead as an adult.

Panama Sergeant Major

Abudefduf concolor

Key differences: The Panama Sergeant Major has a more silvery-grey body with distinct vertical black bars, a feature absent in the Cortez Damselfish. It also tends to be less solitary and territorial than Stegastes rectifraenum.

Explore Cortez Damselfish

Identify fish anywhere

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

Open in app