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

🌊 Marine Critically Endangered 🌡️ Subtropical

Spotback skate

Atlantoraja castelnaui Miranda Ribeiro, 1907
Max Length
132 cm
Max Weight
-
Lifespan
-
Trophic Level
4.5
Depth
10–100 m
Climate
Subtropical
Resilience
Low
Vulnerability
76.00/100
Typical Length
45 cm
Depth Zone
demersal

📖 Overview

Oviparous. Distinct pairing with embrace. Young may tend to follow large objects, such as their mother . Eggs are oblong capsules with stiff pointed horns at the corners deposited in sandy or muddy flats . Egg capsule measures 92-103 mm long and 72-80 mm wide . Utilized as fishmeal .

Scientific Name
Atlantoraja castelnaui
Authority
Miranda Ribeiro, 1907
Habitat
Marine
Climate
Subtropical
IUCN Status
CR
Max Length
132 cm
Depth Range
10–100 m
Trophic Level
4.5
Resilience
Low
Vulnerability
76.00/100
Salinity
30–40 ppt

🐟 Physical Description

Physical description for Spotback skate is currently being compiled.

🌀 Behaviour

Behavioural data for Spotback skate is currently being reviewed.

🦐 Diet

Diet information for Spotback skate is currently being compiled.

🥚 Reproduction

🐣 Oviparous
Size at Maturity
105cm TL

Oviparous, paired eggs are laid. Embryos feed solely on yolk . Distinct pairing with embrace. Young may tend to follow large objects, such as their mother .

🌍 Habitat & Distribution

Marine; demersal; depth range 10 - 100 m . Subtropical; 20°S - 40°S, 60°W - 40°W Southwest Atlantic: Brazil, Uruguay and Argentina.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
4.5±0.8

📐 Morphometrics

Length–Weight Relationship: W = 0.00562 × L3.11 (TL)
Max TL
132cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Critically Endangered
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
76.00/100
Very High vulnerability
Trophic Level
4.5
Apex / Top predator
Climate Zone
Subtropical
Described By
Miranda Ribeiro, 1907

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Raja castelnaui Miranda Ribeiro 1907 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 11 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 Spotback skate ↗
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.