Lethrinus olivaceus

Lethrinus olivaceus, common name Longface emperor or Long-nosed emperor, is a species of bony fishes belonging to the family Lethrinidae.

Lethrinus olivaceus
Lethrinus olivaceus
Scientific classification
Kingdom:
Animalia
Phylum:
Chordata
Class:
Actinopterygii
Order:
Perciformes
Family:
Lethrinidae
Genus:
Lethrinus
Species:
L. olivaceus
Binomial name
Lethrinus olivaceus
Synonyms[1]

Description
A different pattern of Lethrinus olivaceus

Lethrinus olivaceus can reach a length of about 70–100 centimetres (28–39 in). This large lethrinid has a very long snout, with dark wavy streaks. The basic color of the body is olive-grayish, usually with various irregular darker blotches, but it can have different colour and pattern for a better camouflage. It has 10 dorsal spine, 9 dorsal soft rays, 3 anal spines and 8 anal soft rays. Juveniles show a more forked caudal fin. This species is very similar to Lethrinus microdon.[2][3][4]

Distribution

This species is widespread in Indo-West Pacific, from Red Sea and East Africa to Samoa and Ryukyu Islands.[2][4]

Lethrinus olivaceus from French Polynesia

Habitat

It is a reef-associated species and it can be found in lagoons, in sandy coastal areas and in reef slopes, at depths of 1 to 185 m.[3][4]

Biology

These very active and fast swimming fishes often occur in large schools, but adults are usually solitary. They are occasionally found in small schools with Lethrinus microdon.[5] They feed mainly on crustaceans, cephalopods and fishes.[3]

References
  1. Biolib
  2. Carpenter, K.E. and G.R. Allen, 1989. FAO Species Catalogue. Vol. 9. Emperor fishes and large-eye breams of the world (family Lethrinidae). An annotated and illustrated catalogue of lethrinid species known to date. FAO Fish. Synop.
  3. Lethrinus olivaceus in Fishbase
  4. WoRMS
  5. Lethrinus microdon in Fishbase
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