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

🌊 Marine 🌡️ Deep-water

Velvet whiptail

Trachonurus gagates Iwamoto & McMillan, 1997
Max Length
47.8 cm
Max Weight
Lifespan
Trophic Level
3.6
Depth
436–1240 m
Climate
Deep-water
Resilience
Low
Vulnerability
61.00/100
Typical Length
Depth Zone
deep-water

📖 Overview

Velvet whiptail (Trachonurus gagates) is a ray-finned fish of the family Macrouridae. It inhabits marine (saltwater) waters in deep-water environments. This species can reach a maximum total length of 47.8 cm. It occurs at depths between 436 and 1240 metres. With a trophic level of 3.6, it is a mid-level predator.

Scientific Name
Trachonurus gagates
Authority
Iwamoto & McMillan, 1997
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
Max Length
47.8 cm
Depth Range
436–1240 m
Trophic Level
3.6
Resilience
Low
Vulnerability
61.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 2; Dorsal soft rays (total): 6 - 8. Without a grooved lateral line. Chin barbel 4-8 % of head length. Suborbital width, 13-15%; postorbital length of head 50-55%. Total gill rakers of first arch (mesial) 11-13; second arch (lateral or mesial) 10-13/10-12. Scale rows below mid-base of first dorsal 25-31; over a distance equal to predorsal length usually 35-42; and between pelvic fin base and gill cover 11-14. Mouth moderately large; lips thick and fleshy .: elongated.

🌀 Behaviour

Behavioural data for Velvet whiptail is currently being reviewed.

🦐 Diet

Diet information for Velvet whiptail is currently being compiled.

🥚 Reproduction

Reproduction data for Velvet whiptail is currently being compiled.

🌍 Habitat & Distribution

Marine; bathydemersal; depth range 436 - 1240 m . Deep-water; 15°S - 44°S

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.6±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00219 × L3.2 (TL)
Max TL
47.8cm
Dorsal Spines
2
Dorsal Rays
7

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
61.00/100
High vulnerability
Trophic Level
3.6
Predator
Body Shape
Elongated
Climate Zone
Deep-water
Described By
Iwamoto & McMillan, 1997

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Velvet rattail · Velvet Whiptail
🌍CES trachonurus australský

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet — be the first to log one!

View all observations for Velvet whiptail ↗
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.