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Diadromous Least Concern 🌡️ Tropical

Lutjanus Indicus

Lutjanus indicus Allen, White & Erdmann, 2013
Max Length
92 cm
Max Weight
13.0 kg
Lifespan
-
Trophic Level
4.1
Depth
5–50 m
Climate
Tropical
Resilience
Low
Vulnerability
56.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

This species was observed in coral-reef habitat; generally encountered solitary or in small groups in about 5-15 m depth. It is also taken by trawlers in deeper water (to at least 50 m) and usually appears in fish markets. Few information on juvenile habitat, but suspected to be similar to L. russellii where young are found in brackish mangrove estuaries and lower reaches of freshwater streams .

Scientific Name
Lutjanus indicus
Authority
Allen, White & Erdmann, 2013
Habitat
Diadromous
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
92 cm
Max Weight
13 kg
Depth Range
5–50 m
Trophic Level
4.1
Resilience
Low
Vulnerability
56.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 10; Dorsal soft rays (total): 13 - 14; Anal spines: 3; Anal soft rays: 8. This species is distinguished by the following set of characters: D X,13-14 (usually 14); total gill rakers 12-14; body depth 2.5-2.9 in SL; eye 4.2-4.6 in HL; interorbital 5.9-7.0 in HL; the scale rows above the lateral line rise obliquely toward dorsal profile; predorsal scales extending forward nearly to level of rear part of orbit; weakly developed preopercular notch and interopercular knob; upper surface of tongue with central patch of fine granular teeth; vomer with diamond-shaped to narrowly crescent-shaped patch of granular teeth with medial posterior extension; truncate caudal fin; in life it is overall pale grey, grading to silvery white on cheek, opercle, and lower side of body with series of seven dark brown to yellow stripes on posterior head and side, prominent black spot, about 1.2-1.5 size of eye, on posterior back below base of first 6-7 soft dorsal rays, its lowermost part occupying about one scale row below lateral line .: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Lutjanus Indicus is currently being reviewed.

🦐 Diet

Diet information for Lutjanus Indicus is currently being compiled.

🥚 Reproduction

Reproduction data for Lutjanus Indicus is currently being compiled.

🌍 Habitat & Distribution

Marine; freshwater; brackish; reef-associated; depth range 5 - 50 m , usually 5 - 15 m . Tropical Indian Ocean: northern continental margin of the Indian Ocean including western Thailand, Myanmar, Andaman Islands, Sri Lanka, India, Gulf of Oman and Arabian Gulf.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish 🪸 Reef Associated
Trophic Level
4.1±0.7
🧍 Solitary

📐 Morphometrics

Length–Weight Relationship: W = 0.01445 × L2.92 (TL)
Max TL
92cm
Max Weight
13,000g
Dorsal Spines
10
Dorsal Rays
14
Anal Spines
3
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
56.00/100
High vulnerability
Trophic Level
4.1
Apex / Top predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Allen, White & Erdmann, 2013

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