New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

🌊 Marine Least Concern 🌡️ Deep-water

Dealfish

Trachipterus arcticus Brünnich, 1788
Max Length
300 cm
Max Weight
-
Lifespan
-
Trophic Level
4.5
Depth
300–600 m
Climate
Deep-water
Resilience
Very low
Vulnerability
85.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Probably solitary although occasional aggregations have been reported, either for feeding or breeding purposes. Feeds on small fishes and squids . Sexually mature at a length of 200cm and an age of 14 years . Eggs, larvae, and young are pelagic .

Scientific Name
Trachipterus arcticus
Authority
Brünnich, 1788
Habitat
Marine
Climate
Deep-water
IUCN Status
LC
Max Length
300 cm
Depth Range
300–600 m
Trophic Level
4.5
Resilience
Very low
Vulnerability
85.00/100
Salinity
30–40 ppt

🐟 Physical Description

Physical description for Dealfish is currently being compiled.

🌀 Behaviour

Behavioural data for Dealfish is currently being reviewed.

🦐 Diet

Diet information for Dealfish is currently being compiled.

🥚 Reproduction

Reproduction data for Dealfish is currently being compiled.

🌍 Habitat & Distribution

Marine; bathypelagic; depth range 300 - 600 m . Deep-water; 72°N - 25°N, 62°W - 25°E Northeast Atlantic: Norway and Iceland to Madeira Islands; one report from Spain in the Mediterranean.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
4.5±0.62
🧍 Solitary
Food Items

small fishes and squids (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00102 × L3.06 (TL)
Max TL
300cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
Very low
Minimum doubling time
Fishing Vulnerability
85.00/100
Very High vulnerability
Trophic Level
4.5
Apex / Top predator
Climate Zone
Deep-water
Described By
Brünnich, 1788

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Deal fish · Dealfish · deal-fish
🇩🇰Danish Almindelig vågmær · Vågmær
🇩🇪German Bandfisch · Brandfisch · Strumpfbandfisch
🇫🇷French Trachyptère atlantique
🌍ISL Vogmær
🌍NNO sølvkveite · vågmerr
🌍NOB sølvkveite · vågmerr
🇳🇴Norwegian Sølvkveite
🇵🇱Polish Wstegor polarny
🇪🇸Spanish Cardenal Atlántico
🇸🇪Swedish vågmär

Scientific Synonyms

Scientific Name Author Year Status
Bogmarus bogmarus Bloch - Synonym
Bogmarus islandicus Bloch - Synonym
Gymnogaster arcticus Brünnich 1788 Synonym
Trachypterus bogmarus Valenciennes - Synonym
Trachypterus gryphurus Lowe - Synonym
Trachypterus vogmarus Reinhardt - Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 25 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Dealfish ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.