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

🌊 Marine 🌡️ Temperate

Roughnose grenadier

Trachyrincus murrayi Günther, 1887
Max Length
37 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
0–1630 m
Climate
Temperate
Resilience
Medium
Vulnerability
30.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Epibenthic-pelagic ; also benthopelagic. Feeds on crustaceans . Max. length (Andrey Dolgov, pers. comm., 2003).

Scientific Name
Trachyrincus murrayi
Authority
Günther, 1887
Habitat
Marine
Climate
Temperate
Max Length
37 cm
Depth Range
0–1630 m
Trophic Level
3.5
Resilience
Medium
Vulnerability
30.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Physical description for Roughnose grenadier is currently being compiled.

🌀 Behaviour

Behavioural data for Roughnose grenadier 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; benthopelagic; depth range 0 - 1630 m , usually 500 - 1630 m . Temperate; 65°N - 42°N, 71°W - 0°E Northeast Atlantic: Iceland (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine
Trophic Level
3.5±0.52
Food Items

crustaceans (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00102 × L3.06 (TL)
Max TL
37cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
30.00/100
Low vulnerability
Trophic Level
3.5
Predator
Climate Zone
Temperate
Described By
Günther, 1887

🌐 Names & Taxonomy

Language Common Names
🇬🇧English roughnose grenadier
🌍CES pahlavoun Murraův
🇫🇮Finnish atlantinnokkalestikala
🇫🇷French grenadier-scie
🌍ISL Langhalabróðir
🌍NNO lausskjella skolest
🌍NOB løsskjellet skolest
🇷🇺Russian Жесткорыл Муррея

Scientific Synonyms

Scientific Name Author Year Status
Trachyrhynchus murrayi Günther 1887 Synonym
Trachyrynchus murrayi Günther 1887 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 19 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 Roughnose grenadier ↗
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Spotted incorrect or outdated data?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.