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🌿 Brackish Least Concern 🌡️ Tropical

Dark moray

Gymnothorax afer Bloch, 1795
Max Length
100 cm
Max Weight
-
Lifespan
-
Trophic Level
4.1
Depth
10–100 m
Climate
Tropical
Resilience
Low
Vulnerability
59.00/100
Typical Length
60 cm
Depth Zone
demersal

📖 Overview

Dark moray (Gymnothorax afer), first described by Bloch, 1795 is a very large fish in the family Muraenidae (order Anguilliformes). Adults typically reach 100.00 cm in maximum length. It inhabits brackish estuarine and coastal transition zones between freshwater and the sea. Recorded depth range: 10 to 100 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 afer
Authority
Bloch, 1795
Habitat
Brackish
Climate
Tropical
IUCN Status
LC
Max Length
100 cm
Depth Range
10–100 m
Latitude
18°S – 20°N
Trophic Level
4.1
Resilience
Low
Vulnerability
59.00/100
Migration
Amphidromous

🐟 Physical Description

: eel-like.

🌀 Behaviour

Behavioural data for Dark moray is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

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

🌍 Habitat & Distribution

Brackish; demersal; amphidromous ; depth range 10 - 100 m . Tropical; 20°N - 18°S

🌿 Ecology

Zone Preferences
🌿 Brackish ⬇️ Benthic
Migration
Amphidromous
Trophic Level
4.1±0.7

📐 Morphometrics

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

🛡️ 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
20°N – 18°S
Described By
Bloch, 1795

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Dark Moray
🌍CES muréna africká
🇫🇷French Murène Obscure
🇵🇹Portuguese Moréia-sombria
🇪🇸Spanish Morena Oscura
🌍THA ปลาหลดหินสีเข้ม

Scientific Synonyms

Scientific Name Author Year Status
Lycodontis afer Bloch 1795 Synonym
Muraena afra Lacepède 1803 Synonym
Muraena africana Shaw 1803 Synonym
Muraena tristis Kaup 1856 Synonym
Muraenophis afra Lacepède 1803 Synonym
Thyrsoidea maculipinnis Kaup 1856 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

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