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

🌊 Marine Least Concern 🌡️ Deep-water

Sixgill stingray

Hexatrygon bickelli Heemstra & Smith, 1980
Max Length
143 cm
Max Weight
-
Lifespan
-
Trophic Level
3.7
Depth
350–1120 m
Climate
Deep-water
Resilience
Low
Vulnerability
76.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Inhabits soft bottoms of upper continental slopes . Feeding habits unknown . Minimum depth from Ref. 58018. Probably caught with bottom trawls . Maximum length of female from Ref. 84148.

Scientific Name
Hexatrygon bickelli
Authority
Heemstra & Smith, 1980
Habitat
Marine
Climate
Deep-water
Body Shape
Other
IUCN Status
LC
Max Length
143 cm
Depth Range
350–1120 m
Latitude
37°S – 46°N
Trophic Level
3.7
Resilience
Low
Vulnerability
76.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 0. A bizarre-looking flabby stingray with a long, thick, fleshy snout . Dark violet-blue or brownish above, white below .: other.

🌀 Behaviour

Behavioural data for Sixgill stingray 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; bathydemersal; depth range 350 - 1120 m , usually 362 - 1120 m . Deep-water; 46°N - 37°S, 16°E - 154°W South Africa eastward to Japan, Australia and the Hawaiian Islands.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.7±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.01 × L3.04 (TL)
Max TL
143cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2023

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
76.00/100
Very High vulnerability
Trophic Level
3.7
Predator
Body Shape
Other
Climate Zone
Deep-water
Latitude Range
46°N – 37°S
Described By
Heemstra & Smith, 1980

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Sixgill stingray
🌍CES šestižábrovec Bickellův
🇩🇪German Sechskiemen-Stachelrochen
🇫🇮Finnish nokkarausku
🇮🇹Italian Pastinaca a sei branchie · Trigone a sei branchie
🇯🇵Japanese Mutsueraei · ムツエラエイ
🇳🇱Dutch Zeskieuwige doornrog · zeskieuwige doornroggen
🇵🇹Portuguese Raia-de-seis-guelras
🇷🇺Russian Африканский шестижаберный скат
🌍THA ปลากระเบนเหงือกหกคู่
🇨🇳Chinese 南非六鰓魟 · 比氏六鰓魟 · 魴仔

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 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 Sixgill stingray ↗
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.