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🌊 Marine Vulnerable 🌡️ Deep-water

Onefin skate

Gurgesiella dorsalifera McEachran & Compagno, 1980
Max Length
53 cm
Max Weight
Lifespan
Trophic Level
4
Depth
470–800 m
Climate
Deep-water
Resilience
Low
Vulnerability
44.00/100
Typical Length
19 cm
Depth Zone
deep-water

📖 Overview

Holotype taken from a depth of 800 m . Oviparous . Eggs have horn-like projections on the shell . Feeds on fishes and crustaceans . Max. width (Teodoro Vaske Jr., pers. comm., 2002).

Scientific Name
Gurgesiella dorsalifera
Authority
McEachran & Compagno, 1980
Habitat
Marine
Climate
Deep-water
IUCN Status
VU
Max Length
53 cm
Depth Range
470–800 m
Trophic Level
4
Resilience
Low
Vulnerability
44.00/100
Salinity
30–40 ppt

🐟 Physical Description

Physical description for Onefin skate is currently being compiled.

🌀 Behaviour

Behavioural data for Onefin skate is currently being reviewed.

🦐 Diet

Diet information for Onefin skate is currently being compiled.

🥚 Reproduction

🐣 Oviparous

Oviparous, paired eggs are laid. Embryos feed solely on yolk .

🌍 Habitat & Distribution

Marine; bathydemersal; depth range 470 - 800 m . Deep-water; 20°S - 40°S, 60°W - 40°W Southwest Atlantic: Brazilian coast, from Rio de Janeiro to Rio Grande do Sul.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
4±0.66
Food Items

fishes and crustaceans (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00661 × L2.95 (TL)
Max TL
53cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Vulnerable
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
44.00/100
Moderate vulnerability
Trophic Level
4
Apex / Top predator
Climate Zone
Deep-water
Described By
McEachran & Compagno, 1980

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Onefin Skate
🌍CES rejnok jednoploutvý
🇫🇮Finnish brasilianrauskunen

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 6 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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