Distinctive Characters: Dorsal fin with 10 spines and usually 13 (rarely 14) rays. Anal fin with 3 spines and 8 or 9 rays. Pectoral fin with 15-17 rays. Body depth 2.6-3.0 in standard length. Moderately elongate fish. Tongue with a patch of fine granular teeth, although sometimes absent in juveniles. Upper scale rows obliquely ascending. Caudal fin truncate to emarginate.
Colour: Yellowish. A black spot, rather diffuse, on the lateral line below the junction of spinous and the soft dorsal fin. Fins yellow.
Habitat and Biology: Inhabits coral reef areas, usually close to shelter in the form of caves, from depths of 5-30 m. Feeds mainly on fishes and benthic crustaceans. Forms small schools.
Remarks: Lutjanus monostigma is a moderately common species in the Maldives. It is often called “Filolhu�?
by Maldivian fishermen, although this name more properly applies to the Emperors (family Lethrinidae).