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

🌊 Marine 🌡️ Subtropical

Amaoka’s flabby whalefish

Gyrinomimus amaokai Su, Paxton & Ho, 2026
Max Length
47.5 cm
Max Weight
-
Lifespan
-
Trophic Level
-
Depth
0–3000 m
Climate
Subtropical
Resilience
Medium
Vulnerability
43.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Overview information for Amaoka’s flabby whalefish is currently being compiled by our editorial team.

Scientific Name
Gyrinomimus amaokai
Authority
Su, Paxton & Ho, 2026
Habitat
Marine
Climate
Subtropical
Body Shape
Elongated
Max Length
47.5 cm
Depth Range
0–3000 m
Resilience
Medium
Vulnerability
43.00/100
Salinity
30–40 ppt

🐟 Physical Description

Vertebrae: 51 - 53. This species is distinguished from its congeners by the following set of characters: 2-5 (very rarely 1) spines on dorsal and ventral arms of the lateral-line scales which, at least in preserved specimens, penetrate the skin of the lateral-line canal; cavernous tissue present around anus and extending to base of anterior 2nd-14th anal-fin rays; filaments on fourth gill arch well developed, its length 43.2-64.6% filament on first arch; anal lappets 8-14, with last over anal-fin rays 12-16, and with scales; vertebrae 32-34 + 17-20 = 51-53; GRIII 1 + 1 + 1; dorsal-fin rays 17-21; anal-fin rays 17-20; lateral-line pores 18-22; lateral-line scales 17-21; and IO 7 + 2 (very rarely 8 + 2) and copular tooth plate elongated, greatest width 3.3-4.1 in length .: elongated.

🌀 Behaviour

Behavioural data for Amaoka’s flabby whalefish is currently being reviewed.

🦐 Diet

Diet information for Amaoka’s flabby whalefish is currently being compiled.

🥚 Reproduction

Reproduction data for Amaoka’s flabby whalefish is currently being compiled.

🌍 Habitat & Distribution

Marine; bathypelagic; depth range 0 - 3000 m . Subtropical Northwest Pacific: Japan.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
47.5cm
Vertebrae
52

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
43.00/100
Moderate vulnerability
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Su, Paxton & Ho, 2026

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Amaoka’s flabby whalefish ↗
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.