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🌊 Marine 🌡️ Deep-water

Darkfin sculpin

Malacocottus zonurus Bean, 1890
Max Length
35 cm
Max Weight
1.2 kg
Lifespan
12 yrs
Trophic Level
3.8
Depth
27–1980 m
Climate
Deep-water
Resilience
Low
Vulnerability
46.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Darkfin sculpin (Malacocottus zonurus), first described by Bean, 1890 is a medium-sized fish in the family Psychrolutidae (order Perciformes). Adults typically reach 35.00 cm in maximum length and up to 1.200 kg. Reported lifespan reaches approximately 12 years. It inhabits marine coastal and open-ocean environments. Recorded depth range: 27 to 1980 metres. It occurs in Deep-water waters. It feeds on a mix of small fish and invertebrates as a mid-level predator.

Scientific Name
Malacocottus zonurus
Authority
Bean, 1890
Habitat
Marine
Climate
Deep-water
Body Shape
Fusiform / normal
Max Length
35 cm
Max Weight
1.2 kg
Lifespan
12 years
Depth Range
27–1980 m
Trophic Level
3.8
Resilience
Low
Vulnerability
46.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 8; Dorsal soft rays (total): 14 - 15; Anal spines: 0; Anal soft rays: 10 - 11. : fusiform / normal.

🌀 Behaviour

Behavioural data for Darkfin sculpin 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 27 - 1980 m . Deep-water; 66°N - 46°N North Pacific: northern Japan (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.8±0.1

📐 Morphometrics

Length–Weight Relationship: W = 0.01514 × L3.05 (TL)
Max TL
35cm
Max Weight
1,200g
Dorsal Spines
8
Dorsal Rays
15
Anal Rays
11

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
46.00/100
Moderate-High vulnerability
Trophic Level
3.8
Predator
Body Shape
Fusiform / normal
Climate Zone
Deep-water
Described By
Bean, 1890

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Bartail sculpin · darkfin sculpin · Spinycheek blobsculpin
🌍CES tlustohlavec páskatý
🇫🇷French chabot à queue barrée
🇯🇵Japanese Kobushikajika · コブシカジカ
🇷🇺Russian Мягкий (черноперый) бычок

🗺️ 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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