Lethrinus olivaceus

Longface emperor LHO
Characteristic features:

Body grey scattered with dark blotches; mottled markings radiating forward from eyes; corner of mouth sometimes edged with red.


Up to 100 cm TL.


Indo–West Pacific, in tropical waters.


Sand and coral reefs, to 185 m depth.


Feeds primarily on fishes, crustaceans, and cephalopods.

Indonesian fisheries:

Caught with handline and traps, occasionally by trawls and gill nets.

Similar species:

Lethrinus amboinensis
Ambon emperor

Lethrinus amboinensis

Lethrinus amboinensis differs in having posterior angle of operculum fully scaled (vs. with a wide naked area) and no red spot on upper edge of operculum (vs. red spot often on upper edge of operculum).

Lethrinus microdon
Smalltooth Emperor

Lethrinus microdon

Lethrinus microdon differs in having longitudinal scale rows between lateral line and base of middle dorsal-fin spines 4½ (vs. 5½).

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