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

🌊 Marine Least Concern 🌡️ Deep-water

Rasptooth dogfish

Etmopterus sheikoi Dolganov, 1986
Max Length
43.2 cm
Max Weight
-
Lifespan
-
Trophic Level
4.2
Depth
300–500 m
Climate
Deep-water
Resilience
Low
Vulnerability
52.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Rasptooth dogfish (Etmopterus sheikoi) is a ray-finned fish of the family Etmopteridae. It inhabits marine (saltwater) waters in deep-water environments. This species can reach a maximum total length of 43.2 cm. It occurs at depths between 300 and 500 metres. With a trophic level of 4.2, it is a mid-level predator. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Etmopterus sheikoi
Authority
Dolganov, 1986
Habitat
Marine
Climate
Deep-water
IUCN Status
LC
Max Length
43.2 cm
Depth Range
300–500 m
Trophic Level
4.2
Resilience
Low
Vulnerability
52.00/100
Salinity
30–40 ppt

🐟 Physical Description

Physical description for Rasptooth dogfish is currently being compiled.

🌀 Behaviour

Behavioural data for Rasptooth dogfish is currently being reviewed.

🦐 Diet

Diet information for Rasptooth dogfish is currently being compiled.

🥚 Reproduction

Distinct pairing with embrace .

🌍 Habitat & Distribution

Marine; bathypelagic; depth range 300 - 500 m . Deep-water Northwest Pacific: Kyushu-Palau Ridge.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
4.2±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.08 (TL)
Max TL
43.2cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
52.00/100
Moderate-High vulnerability
Trophic Level
4.2
Apex / Top predator
Climate Zone
Deep-water
Described By
Dolganov, 1986

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Rasptooth dogfish ↗
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Spotted incorrect or outdated data?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.