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🌊 Marine 🎣 Game Fish 🌡️ Temperate 🎣 Game Fish

Spinyhead sculpin

Dasycottus setiger Bean, 1890
Max Length
73 cm
Max Weight
1.6 kg
Lifespan
11 yrs
Trophic Level
3.9
Depth
15–850 m
Climate
Temperate
Resilience
Low
Vulnerability
46.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Spinyhead sculpin (Dasycottus setiger), first described by Bean, 1890 is a large fish in the family Psychrolutidae (order Perciformes). Adults typically reach 73.00 cm in maximum length and up to 1.600 kg. Reported lifespan reaches approximately 11 years. It inhabits marine coastal and open-ocean environments. Recorded depth range: 15 to 850 metres. It occurs in Temperate waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. The species is valued as a game and sport species.

Scientific Name
Dasycottus setiger
Authority
Bean, 1890
Habitat
Marine
Climate
Temperate
Body Shape
Fusiform / normal
Max Length
73 cm
Max Weight
1.6 kg
Lifespan
11 years
Depth Range
15–850 m
Trophic Level
3.9
Resilience
Low
Vulnerability
46.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 9 - 10; Dorsal soft rays (total): 13 - 15; Anal spines: 0; Anal soft rays: 13 - 14. Caudal slightly rounded. Pectorals with large base carried forward. Pelvic fins small.: fusiform / normal.

🌀 Behaviour

Behavioural data for Spinyhead 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; demersal; depth range 15 - 850 m . Temperate; 66°N - 46°N North Pacific: Sea of Japan off Honshu, Japan to Navarin Canyon in the Bering Sea, west to Attu Island in the Aleutian chain and southeast to Washington, USA.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.9±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.0123 × L3.02 (TL)
Max TL
73cm
Max Weight
1,600g
Dorsal Spines
10
Dorsal Rays
14
Anal Rays
14

🌡️ 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
3.9
Predator
Body Shape
Fusiform / normal
Climate Zone
Temperate
Described By
Bean, 1890

🎣 Angling Guide

Difficulty
Beginner
Fight Rating
strong pulls with head-shakes
Best Seasons
spring,summer,fall
Best Time
incoming tide, dawn and dusk
Line Weight
15-30
Rod Type
medium-heavy spinning
Hook Size
2/0-5/0
Catch & Release
✓ Recommended
Best Months
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Techniques
bottom fishing popping cork soft plastics live bait
Bait & Lures
live shrimp cut mullet soft plastic paddle-tails popping corks
Recommended Tackle
  • medium-heavy 7ft spinning rod
  • 30-50 lb braid
  • fluorocarbon leader
Where to Find Them
  • grass flats
  • oyster bars
  • marsh drains
  • deeper channel edges
Tips & Tricks
Popping cork technique attracts fish from distance. Fish moving tides.
Catch & Release Tips

Use barbless hooks, minimise air exposure, and revive fish head-first in current before release.

Regulations Summary

⚠️ Slot limits protect breeding-size fish. Verify daily bag limits.

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 9 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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