Longfin emperor (Lethrinus erythropterus)

Scientific name: Lethrinus erythropterus Valenciennes, 1830

Longfin emperor (Lethrinus erythropterus)

The Longfin emperor (Lethrinus erythropterus) is a marine fish of the family Lethrinidae. Native range: Indo-West Pacific, Tanzania and Mozambique to Papua New Guinea, Palau, and Caroline Islands. Recently reported from the Penghu Islands.

Biology

Dorsal spines (total): 10; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 8. The caudal fin is only slightly forked with the tips rounded. The inner surface of the pectoral fin is densely scaled; the posterior angle of the operculum is fully scaled. The head and body is brown or rust red, becoming lighter ventrally. Sometimes there are two light bars on the peduncle. A broad white streak originates from the eye and ends at the tip of the snout. The lips and the base of the pectoral fin are red. The fins are reddish, often bright red or orange.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Lethrinus erythropterus
Family
Lethrinidae (Emperors or scavengers)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
50.0
Common length
30.0
Depth range
2–25 m (7–82 ft)
Environment
Marine; reef-associated; non-migratory; depth range 2 - 25 m
Climate
Tropical
Distribution
Indo-West Pacific: Tanzania and Mozambique to Papua New Guinea, Palau, and Caroline Islands. Recently reported from the Penghu Islands.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Fisheries: minor commercial
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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