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🌊 Marine Least Concern 🌡️ Deep-water

Bertelsen's Duckbill Conger

Gavialiceps bertelseni Karmovskaya, 1993
Max Length
84 cm
Max Weight
-
Lifespan
-
Trophic Level
3.8
Depth
670–1200 m
Climate
Deep-water
Resilience
Medium
Vulnerability
44.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Bertelsen's Duckbill Conger (Gavialiceps bertelseni), first described by Karmovskaya, 1993 is a large fish in the family Muraenesocidae (order Anguilliformes). Adults typically reach 84.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 670 to 1200 metres. It occurs in Deep-water waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Gavialiceps bertelseni
Authority
Karmovskaya, 1993
Habitat
Marine
Climate
Deep-water
IUCN Status
LC
Max Length
84 cm
Depth Range
670–1200 m
Trophic Level
3.8
Resilience
Medium
Vulnerability
44.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Anguilliformes
Anguilliformes
Family
Muraenesocidae
Muraenesocidae
Genus
Gavialiceps
Gavialiceps
Species
Bertelsen's Duckbill Conger
Gavialiceps bertelseni

🐟 Physical Description

Bright brown, the back is somewhat darker than the belly. The edges of the dorsal and anal fin rays are dark in the caudal section of the body. The gill and mouth cavities are dark but do not show through the skin. The stomach and peritoneum are bright. The stomach is long, 2.2-2.3 times the length of the head, but does not reach above the anus .: eel-like.

🌀 Behaviour

Behavioural data for Bertelsen's Duckbill Conger is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

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

🌍 Habitat & Distribution

Marine; bathydemersal; depth range 670 - 1200 m . Deep-water Indian Ocean: southwestern slope of Madagascar.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.8±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.00158 × L2.91 (TL)
Max TL
84cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
44.00/100
Moderate vulnerability
Trophic Level
3.8
Predator
Climate Zone
Deep-water
Described By
Karmovskaya, 1993

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Bertelsen's Duckbill Conger

🗺️ Global Occurrence Map

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

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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