Also known as Black-blotched Emperor, Blackspot Emperor, Fingerprint Emperor, Pigface Bream, Redsnout Emperor, Reef Flat Emperor, Reticulated Emperor, Sea Bream, Semicinctus Emperor, Slender Emperor, Variegated Emperor, Yellowhead Emperor.
Found singly or in schools over shallow reef flats and seagrass beds of lagoons and sandy areas close to coral reefs.
They feed on small fish and benthic invertebrates.
Length - 29cm
Depth - 2-35m
Widespread Indo-West Pacific
Most members of Lethrinidae are able to rapidly switch on and off dark mottled patterns, spots and bars to deter predators. Ref: https://www.fishbase.se/summary/Lethrinus-semicinctus