New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

🌊 Marine Least Concern 🌡️ Tropical

Liver-colored moray eel

Gymnothorax hepaticus Rüppell, 1830
Max Length
100 cm
Max Weight
-
Lifespan
-
Trophic Level
4.1
Depth
0–30 m
Climate
Tropical
Resilience
Low
Vulnerability
59.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Liver-colored moray eel (Gymnothorax hepaticus), first described by Rüppell, 1830 is a very large fish in the family Muraenidae (order Anguilliformes). Adults typically reach 100.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 0 to 30 metres. It occurs in Tropical waters. Diet is predominantly piscivorous, targeting other fish and larger prey. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Gymnothorax hepaticus
Authority
Rüppell, 1830
Habitat
Marine
Climate
Tropical
IUCN Status
LC
Max Length
100 cm
Depth Range
0–30 m
Latitude
15°S – 32°N
Trophic Level
4.1
Resilience
Low
Vulnerability
59.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Anguilliformes
Anguilliformes
Family
Muraenidae
Muraenidae
Genus
Gymnothorax
Gymnothorax
Species
Liver-colored moray eel
Gymnothorax hepaticus

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 0; Anal spines: 0; Anal soft rays: 0. Distinguished from other Gymnothorax by their high dorsal fin and plain brownish coloration with light margins on the fins.: eel-like.

🌀 Behaviour

Behavioural data for Liver-colored moray eel is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; reef-associated; depth range 0 - 30 m. Tropical; 32°N - 15°S north to southern Japan; Ifaluk and Guam in Micronesia.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
4.1±0.7

📐 Morphometrics

Length–Weight Relationship: W = 0.00047 × L3.28 (TL)
Max TL
100cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2011

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
59.00/100
High vulnerability
Trophic Level
4.1
Apex / Top predator
Climate Zone
Tropical
Latitude Range
32°N – 15°S
Described By
Rüppell, 1830

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Liver-colored moray eel ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.