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🌊 Marine Vulnerable 🌡️ Polar

Blackfin icefish

Chaenocephalus aceratus Lönnberg, 1906
Max Length
72 cm
Max Weight
3.7 kg
Lifespan
Trophic Level
3.4
Depth
5–770 m
Climate
Polar
Resilience
Medium
Vulnerability
54.00/100
Typical Length
50 cm
Depth Zone
demersal

📖 Overview

Adults feed mostly on fish and krill. Synchronous spawner . Larvae have a long pelagic phase . Utilized as a food fish .

Scientific Name
Chaenocephalus aceratus
Authority
Lönnberg, 1906
Habitat
Marine
Climate
Polar
Body Shape
Elongated
IUCN Status
VU
Max Length
72 cm
Max Weight
3.7 kg
Depth Range
5–770 m
Trophic Level
3.4
Resilience
Medium
Vulnerability
54.00/100
Salinity
30–40 ppt

🐟 Physical Description

: elongated.

🌀 Behaviour

Behavioural data for Blackfin icefish is currently being reviewed.

🦐 Diet

Diet information for Blackfin icefish is currently being compiled.

🥚 Reproduction

Size at Maturity
44.9cm TL

There is only one generation of oocytes in the ovaries indicative of determinate fecundity . Mature females may spawn for the first time from around 6-8 years of age .

🌍 Habitat & Distribution

Marine; demersal; depth range 5 - 770 m. Polar; 53°S - 65°S, 67°W - 4°E Southern Ocean: in the vicinity of Bouvet Island, Scotia Sea, and northern part of the Antarctic Peninsula.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.4±0.2

📐 Morphometrics

Length–Weight Relationship: W = 0.00093 × L3.48 (TL)
Max TL
72cm
Max Weight
3,700g

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Vulnerable
Assessment Date
2023

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
54.00/100
Moderate-High vulnerability
Trophic Level
3.4
Predator
Body Shape
Elongated
Climate Zone
Polar
Described By
Lönnberg, 1906

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 11 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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View all observations for Blackfin icefish ↗
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