Lethrinus lentjan  (Lacepède, 1802)

Pink ear emperor
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Native range | Year 2100
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Lethrinus lentjan
Picture by Ryanskiy, A.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Lethrinidae (Emperors or scavengers) > Lethrininae
Etymology: Lethrinus: Greek, lethrinia, a fish pertaining to genus Pagellus.

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; brackish; reef-associated; non-migratory; depth range 10 - 90 m (Ref. 6390).   Tropical; 32°N - 35°S, 24°E - 167°W

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Indo-West Pacific: widespread, from the Red Sea, Arabian (Persian) Gulf, and East Africa to the Ryukyus and Tonga.

Length at first maturity / Size / Weight / Age

Maturity: Lm 27.7, range 18 - ? cm
Max length : 52.0 cm TL male/unsexed; (Ref. 1020); common length : 40.0 cm TL male/unsexed; (Ref. 5450); max. reported age: 19 years (Ref. 42001)

Short description Morphology | Morphometrics

Dorsal spines (total): 10; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 8. Mouth is slightly protractile; lips thick and fleshy. The inner base of the pectoral fin is either with few scales or naked. Body olive-green above, becoming paler below; each scale on back sometimes with white center. The posterior margin of the opercle and sometimes the base of the pectoral fin is red. The pectoral fin is white, yellow or pinkish; the pelvic and anal fins are white to orange; the dorsal fin is white and orange mottled with a reddish margin; the caudal fin is mottled orange or reddish.

Biology     Glossary (e.g. epibenthic)

Inhabits sandy bottoms in coastal areas, deep lagoons and near coral reefs (Ref. 30573). Juveniles and small adults commonly in loose aggregations over seagrass beds, mangrove swamps and shallow sandy areas while adults are generally solitary in deeper waters. Feeds primarily on crustaceans and mollusks but echinoderms, polychaetes and fishes are also consumed in considerable quantities (Ref. 2295). A protogynous hermaphrodite (Ref. 55367).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

A monandric species (Ref. 55367). Length at sex change = 30.8 cm TL (Ref. 55367). Also Ref. 103751.

Main reference Upload your references | References | Coordinator | Collaborators

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. 125(9):118 p. Rome: FAO. (Ref. 2295)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: highly commercial
FAO(fisheries: production; publication : search) | FishSource | Sea Around Us

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Estimates of some properties based on models

Preferred temperature (Ref. 115969): 24.6 - 29, mean 28 (based on 1436 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01514 (0.01239 - 0.01849), b=2.99 (2.95 - 3.03), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
Trophic Level (Ref. 69278):  3.9   ±0.2 se; Based on diet studies.
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (K=0.17-0.27; tm=2-3.8; tmax=15).
Prior r = 0.57, 2 SD range = 0.34 - 0.95, log(r) = -0.56, SD log(r) = 0.26, Based on: 1 M, 6 K, 6 tgen, 1 tmax, records
Vulnerability (Ref. 59153):  Low vulnerability (25 of 100) .
Price category (Ref. 80766):   Very high.