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🌊 Marine Endangered 🎣 Game Fish 🌡️ Tropical 🎣 Game Fish

Sky emperor

Lethrinus mahsena Fabricius, 1775
Max Length
65 cm
Max Weight
-
Lifespan
27 yrs
Trophic Level
3.7
Depth
2–100 m
Climate
Tropical
Resilience
Medium
Vulnerability
65.00/100
Typical Length
40 cm
Depth Zone
reef

📖 Overview

Found over reef areas and adjacent sandy and seagrass areas . Feeds mainly on echinoderms (most frequently sea urchins), crustaceans and fishes; mollusks, tunicates, sponges, polychaetes and other worms are consumed in lesser quantities. A protogynous hermaphrodite . In most areas of the Red Sea, it is considered an excellent food fish but in certain areas of the Indian Ocean it may have an unpleasant 'coral' smell and taste . Utilized fresh for broiling and baking .

Scientific Name
Lethrinus mahsena
Authority
Fabricius, 1775
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
EN
Max Length
65 cm
Lifespan
27 years
Depth Range
2–100 m
Latitude
26°S – 28°N
Trophic Level
3.7
Resilience
Medium
Vulnerability
65.00/100
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. Body color is yellow to greenish-blue, becoming lighter ventrally; usually with nine or ten dusky yellow-green or brown bars. The head is purplish gray, sometimes with a red blotch on the nape. A red bar is at the base of pectoral fin, sometimes extending broadly below and above the pectoral fin base to the edge of the operculum. The base of the upper and sometimes lower rays of pectoral fin is red. The base and tips of the pelvic fins are often red. The membranes of the dorsal fin is red (sometimes restricted to the base of the fins). The anal fin is whitish with the membranes between the forward rays often red. The caudal fin, especially the tips is reddish.: fusiform / normal; Cross section: oval.

🌀 Behaviour

Behavioural data for Sky emperor is currently being reviewed.

🦐 Diet

Diet information for Sky emperor is currently being compiled.

🥚 Reproduction

Sex change was found to commonly occur between the ages of 5 and 6 years . A diandric species . Length and age at sex change occur at 32 cm TL and 16 yrs, respectively .

🌍 Habitat & Distribution

Marine; reef-associated; non-migratory; depth range 2 - 100 m . Tropical; 28°N - 26°S, 32°E - 82°E East Africa to Sri Lanka.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Migration
Non-migratory
Trophic Level
3.7±0.3
Food Items

echinoderms (most frequently sea urchins), crustaceans and fishes; mollusks, tunicates, sponges, pol

📐 Morphometrics

Length–Weight Relationship: W = 0.01349 × L3.01 (TL)
Max TL
65cm
Dorsal Spines
10
Dorsal Rays
9
Anal Spines
3
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
65.00/100
High vulnerability
Trophic Level
3.7
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
28°N – 26°S
Described By
Fabricius, 1775

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 10 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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