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🌊 Marine Data Deficient 🌡️ Tropical

Hawaiian mustache conger

Conger marginatus Valenciennes, 1850
Max Length
137 cm
Max Weight
-
Lifespan
-
Trophic Level
4.1
Depth
-
Climate
Tropical
Resilience
Low
Vulnerability
67.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Hawaiian mustache conger (Conger marginatus), first described by Valenciennes, 1850 is a very large fish in the family Congridae (order Anguilliformes). Adults typically reach 137.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. It occurs in Tropical waters. Diet is predominantly piscivorous, targeting other fish and larger prey. On the IUCN Red List, it is classified as Data Deficient.

Scientific Name
Conger marginatus
Authority
Valenciennes, 1850
Habitat
Marine
Climate
Tropical
IUCN Status
DD
Max Length
137 cm
Trophic Level
4.1
Resilience
Low
Vulnerability
67.00/100
Salinity
30–40 ppt

🐟 Physical Description

Vertebrae: 148 - 152. This species is characterized with its tail much longer than head and trunk, distance from tip of snout to anus 2.9-3.1 in TL; posterior nostril close to edge of orbit; dorsal fin origin over basal half of pectoral fins; a single row of conical teeth at side of jaws, compressed fore and aft, close-set, forming a shearing edge; colour brownish gray with a black band between upper lip and eye (absent in juveniles less than about 20cm long); median fins with distinct black margin; pectoral fins often with a large blackish area; dark gray to black bars are seen at night .: eel-like; Cross section: oval.

🌀 Behaviour

Behavioural data for Hawaiian mustache conger 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. Tropical Central Pacific: Hawaii and Johnston islands only.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
4.1±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00048 × L3.23 (TL)
Max TL
137cm
Vertebrae
150

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2015

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
67.00/100
High vulnerability
Trophic Level
4.1
Apex / Top predator
Climate Zone
Tropical
Described By
Valenciennes, 1850

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