Redfin Emperor

Monotaxis heterodon

Bislamaredmaot— names this kind of animal, not this species alone

Redfin Emperor — photo 1 of 4 — Photo 1 of 4 · Elisabeth Morcel · CC BY-SA 4.0 · via Wikimedia Commons

commonwhiteyellowgreybarredreef

Habitat: Reef
Family: Lethrinidae

Monotaxis heterodon, the redfin emperor, is a species of marine ray-finned fish belonging to the family Lethrinidae, the emperors and emperor breams. This fish is found in the Indian and Western Pacific Oceans.

Adapted from Wikipedia, licensed under CC BY-SA 4.0.

Easily confused with

Side by side, with what tells them apart.

They were long counted as one species. Both are silvery grey with a big eye and a black blotch at the base of the pectoral fin, and both can show dark bars on the back. On Humpnose Big-eye Bream the pale gaps between those bars are three or four scale rows wide, and its young have a black bar through the eye. Redfin Emperor's pale bars are thin, one or two scale rows wide, its fins are tinged yellow to red, and its young have no bar through the eye.

See the Humpnose Big-eye Bream →

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