Longfin emperor (Lethrinus erythropterus) fish species and information / pictures of Longfin emperor - Lethrinus erythropterus

Longfin emperor (Lethrinus erythropterus) fish species information

Scientific Name
Lethrinus erythropterus

Common Name
Longfin emperor

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.

Classification

Classified By
Valenciennes, 1830
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Emperors or scavengers (Lethrinidae)

Distribution

Region
Indo-West Pacific
Distribution
Indo-West Pacific: Tanzania and Mozambique to Papua New Guinea, Palau, and Caroline Islands. Recently reported from the Penghu Islands (Ref. 55073).
Range
25°N - 25°S

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
2 m
Depth To - meters
25 m
Zone
reef-associated
Environment
Marine; reef-associated; non-migratory; depth range 2 - 25 m (Ref. 9710)
Trophic Level
3.70000004768372 s.e. 0.51 Based on food items.
Occurs in Marine / Salt water
True
Occurs in Brackish water
False
Occurs in Fresh Water
False
Occurs on Reefs
True
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
50.0 cm
Common Length
30.0 cm
Phylogenetic Diversity Index
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: minor commercial
Vulnerability
Moderate vulnerability (37 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated