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🌊 Marine 🌡️ Tropical

Gymnocranius Indicus

Gymnocranius indicus Chen, Miki, Nevill & Borsa, 2024
Max Length
29.1 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
18–25 m
Climate
Tropical
Resilience
Medium
Vulnerability
36.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Occurrence based on underwater sightings of solitary individuals at ca. 18-25 m depth on the outer slope of the reef off Saint-Gilles on the western coast of Reunion Island, above a bottom constituted by sand, lava boulders, and sparse coral colonies .

Scientific Name
Gymnocranius indicus
Authority
Chen, Miki, Nevill & Borsa, 2024
Habitat
Marine
Climate
Tropical
Body Shape
Compressed
Max Length
29.1 cm
Depth Range
18–25 m
Trophic Level
3.4
Resilience
Medium
Vulnerability
36.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 10; Dorsal soft rays (total): 10; Anal spines: 3; Anal soft rays: 10. This species is distinguished by the following characters: body shape oblong to elongate, SL/BDd ratio 2.7-3.1, forehead prominent; caudal fin is large, moderately forked with a subtle middle notch, its lobes slightly convex inside; flanks silvery; anal fin, caudal fin, dorsal fin, and pectoral fin reddish to red; distinctive dark patch above eye; protruding, large eyes (eye diameter reaching 37-40% of head length) .Cross section: compressed.

🌀 Behaviour

Behavioural data for Gymnocranius Indicus is currently being reviewed.

🦐 Diet

Diet information for Gymnocranius Indicus is currently being compiled.

🥚 Reproduction

Reproduction data for Gymnocranius Indicus is currently being compiled.

🌍 Habitat & Distribution

Marine; pelagic-neritic; depth range 18 - 25 m . Tropical West Sumatra and West Java).

🌿 Ecology

Zone Preferences
🌊 Marine 🐟 Pelagic
Trophic Level
3.4±0.6
🧍 Solitary

📐 Morphometrics

Length–Weight Relationship: W = 0.01698 × L2.98 (TL)
Max TL
29.1cm
Dorsal Spines
10
Dorsal Rays
10
Anal Spines
3
Anal Rays
10

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
36.00/100
Moderate vulnerability
Trophic Level
3.4
Predator
Body Shape
Compressed
Climate Zone
Tropical
Described By
Chen, Miki, Nevill & Borsa, 2024

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