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🌊 Marine Least Concern 🌡️ Deep-water

Koefoed's smooth-head

Bathytroctes macrolepis Günther, 1887
Max Length
40 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
2500–5850 m
Climate
Deep-water
Resilience
Medium
Vulnerability
51.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Koefoed's smooth-head (Bathytroctes macrolepis) is a ray-finned fish of the family Alepocephalidae. It inhabits marine (saltwater) waters in deep-water environments. This species can reach a maximum total length of 40 cm. It occurs at depths between 2500 and 5850 metres. With a trophic level of 3.5, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Bathytroctes macrolepis
Authority
Günther, 1887
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
IUCN Status
LC
Max Length
40 cm
Depth Range
2500–5850 m
Trophic Level
3.5
Resilience
Medium
Vulnerability
51.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

: elongated.

🌀 Behaviour

Behavioural data for Koefoed's smooth-head 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; bathypelagic; depth range 2500 - 5850 m , usually 2800 - 3300 m . Deep-water; 53°N - 1°N, 180°W - 180°E

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.5±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00339 × L3.19 (TL)
Max TL
40cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2014

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
51.00/100
Moderate-High vulnerability
Trophic Level
3.5
Predator
Body Shape
Elongated
Climate Zone
Deep-water
Described By
Günther, 1887

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Bathytroctes alvifrons Garman 1899 Synonym
Bathytroctes koefoedi Parr 1951 Synonym
Bellocia koefoedi Parr 1951 Synonym
Bellocia macrolepis Günther 1887 Synonym
Nomoctes koefoedi Parr 1951 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 5 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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