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🌊 Marine Least Concern 🌡️ Tropical

Pink ear emperor

Lethrinus lentjan Lacepède, 1802
Max Length
52 cm
Max Weight
-
Lifespan
19 yrs
Trophic Level
3.9
Depth
10–90 m
Climate
Tropical
Resilience
Medium
Vulnerability
23.00/100
Typical Length
40 cm
Depth Zone
reef

📖 Overview

Inhabits sandy bottoms in coastal areas, deep lagoons and near coral reefs . 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 . A protogynous hermaphrodite . Caught primarily by handline, traps, trawls, beach seines, and gill nets. Marketed mostly fresh .

Scientific Name
Lethrinus lentjan
Authority
Lacepède, 1802
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
52 cm
Lifespan
19 years
Depth Range
10–90 m
Latitude
35°S – 32°N
Trophic Level
3.9
Resilience
Medium
Vulnerability
23.00/100
Migration
Non-migratory
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 10; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 8. This species is distinguished by the following characters: body moderately deep, its depth 2.5-2.8 times in standard length; head length 0.9-1 times in body depth, 2.6-3 times in SL, dorsal profile near eye nearly straight; snout moderately short, its length about 1.9-2.4 times in HL, measured without the lip the snout is 0.8-1 times in cheek height, its dorsal profile nearly straight, snout angle relative to upper jaw between 60° and 70°; interorbital space convex; posterior nostril an oblong longitudinal opening, closer to orbit than anterior nostril; eye situated close to or far removed from dorsal profile, its length 3.3-4.8 times in HL; cheek not high, its height 2.4-3.1 times in HL; lateral teeth in jaws rounded often with conical tips, or molars often with tubercles; outer surface of maxilla with a longitudinal ridge; D X,9 with the 4th dorsal-fin spine usually the longest, its length 2.4-3.4 times in body depth; A III,8 soft rays, the first soft ray usually the longest, its length almost equal to or shorter than length of base of soft-rayed portion of anal fin and 1-1.2 times in length of entire anal-fin base; pectoral-fin rays 13; pelvic-fin membranes between rays closest to body without dense melanophores; cheek without scales; 46-47 lateral-line scales usually; 5 ½ scale rows between lateral line and base of middle dorsal-fin spines; 15- 16 scale rows in transverse series between origin of anal fin and lateral line; usually 15 rows in lower series of scales around caudal peduncle; 4-9 scales in supratemporal patch; inner surface of pectoral-fin base densely covered with scales, with a few scales, or naked; posterior angle of operculum fully scaly. Colour of body greenish or grey, shading to white below, centers of scales on upper sides often white; posterior margin of opercle and sometimes base of pectoral fins red; pectoral fins white, yellow, or pinkish; pelvic and anal fins white to orange; dorsal fin white and orange mottled with a reddish margin; caudal fin mottled orange or reddish .: fusiform / normal; Cross section: oval.

🌀 Behaviour

Behavioural data for Pink ear emperor is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

Size at Maturity
24.1cm TL

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

🌍 Habitat & Distribution

Marine; brackish; reef-associated; non-migratory; depth range 10 - 90 m . Tropical; 32°N - 35°S, 24°E - 167°W West Pacific: widespread, from the Red Sea, Arabian (Persian) Gulf, and East Africa to the Ryukyus and Tonga.

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish 🪸 Reef Associated
Migration
Non-migratory
Trophic Level
3.9±0.2
🧍 Solitary
Food Items

crustaceans and mollusks but echinoderms, polychaetes and fishes are also consumed in considerable q

📐 Morphometrics

Length–Weight Relationship: W = 0.01445 × L2.97 (TL)
Max TL
52cm
Dorsal Spines
10
Dorsal Rays
9
Anal Spines
3
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2015

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
23.00/100
Low vulnerability
Trophic Level
3.9
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
32°N – 35°S
Described By
Lacepède, 1802

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Bodianus lentjan Lacepède 1802 Synonym
Letherinus lentjanus Lacepède 1802 Synonym
Letherinus leutjanus Lacepède 1802 Synonym
Lethrinus argenteus Valenciennes 1830 Synonym
Lethrinus cinereus Valenciennes 1830 Synonym
Lethrinus cocosensis Bleeker 1854 Synonym
Lethrinus croceopterus Valenciennes 1830 Synonym
Lethrinus flavescens Valenciennes 1830 Synonym
Lethrinus fusciceps Macleay 1878 Synonym
Lethrinus geniguttatus Valenciennes 1830 Synonym
Lethrinus glyphodon Günther 1859 Synonym
Lethrinus leutjanus Valenciennes 1830 Synonym
Lethrinus lutjanus Lacepède 1802 Synonym
Lethrinus mahsenoides Valenciennes 1830 Synonym
Lethrinus nubilis Cantor 1849 Synonym
Lethrinus opercularis Valenciennes 1830 Synonym
Lethrinus punctulatus Macleay 1878 Synonym
Lethrinus virescens Valenciennes 1830 Synonym
Letthrinus lentjan Lacepède 1802 Synonym
Pentapodus nubilis Cantor 1849 Synonym
Pentapodus nubilus Cantor 1849 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 5 records indexed .

Occurrence density from GBIF View GBIF records ↗

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