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

🌊 Marine Least Concern 🌡️ Temperate

Gnathophis Ginanago

Gnathophis ginanago Asano, 1958
Max Length
40 cm
Max Weight
-
Lifespan
-
Trophic Level
3.9
Depth
-
Climate
Temperate
Resilience
Medium
Vulnerability
31.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Gnathophis Ginanago (Gnathophis ginanago), first described by Asano, 1958 is a large fish in the family Congridae (order Anguilliformes). Adults typically reach 40.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. It occurs in Temperate waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Gnathophis ginanago
Authority
Asano, 1958
Habitat
Marine
Climate
Temperate
IUCN Status
LC
Max Length
40 cm
Trophic Level
3.9
Resilience
Medium
Vulnerability
31.00/100
Salinity
30–40 ppt

🐟 Physical Description

: eel-like.

🌀 Behaviour

Behavioural data for Gnathophis Ginanago 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. Temperate Northwest Pacific: Japan.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.9±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.00062 × L3.19 (TL)
Max TL
40cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2015

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
31.00/100
Low vulnerability
Trophic Level
3.9
Predator
Climate Zone
Temperate
Described By
Asano, 1958

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Gnathophis Ginanago ↗
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Spotted incorrect or outdated data?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.