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🌊 Marine Least Concern 🌡️ Deep-water

Roughnose legskate

Cruriraja parcomaculata von Bonde & Swart, 1923
Max Length
55 cm
Max Weight
-
Lifespan
-
Trophic Level
3.6
Depth
150–620 m
Climate
Deep-water
Resilience
Low
Vulnerability
45.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Found on the uppermost slope . Feed on small crustaceans, dragonets, squid, polychaete worms and flatworms . 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 capsules are 4.5 cm long and 2.4 cm wide . Caught by hake bottom trawlers .

Scientific Name
Cruriraja parcomaculata
Authority
von Bonde & Swart, 1923
Habitat
Marine
Climate
Deep-water
Body Shape
Other
IUCN Status
LC
Max Length
55 cm
Depth Range
150–620 m
Trophic Level
3.6
Resilience
Low
Vulnerability
45.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

A rough legskate with a pointed snout covered by large conspicuous white thorns that are also found around the eyes, on the shoulders, and in several rows from the nape to the 1st dorsal fin . Legskates have pelvic fins separated into a mobile leg-like front lobe, and a rear lobe that may be fused to the tail base . Sandy brown above usually with scattered dark brown and whitish spots (very conspicuous in young and becoming obscure in adults; white below . Tail with conspicuous dark brown bandings in juveniles .: other.

🌀 Behaviour

Behavioural data for Roughnose legskate is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous

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; bathydemersal; depth range 150 - 620 m . Deep-water; 28°S - 40°S South Africa to Mozambique.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.6±0.53
Food Items

small crustaceans, dragonets, squid, polychaete worms and flatworms (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00661 × L2.95 (TL)
Max TL
55cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
45.00/100
Moderate vulnerability
Trophic Level
3.6
Predator
Body Shape
Other
Climate Zone
Deep-water
Described By
von Bonde & Swart, 1923

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Cruriraja triangularis Smith 1964 Synonym
Raia parcomaculata von Bonde & Swart 1923 Synonym
Raja parcomaculata von Bonde & Swart 1923 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 8 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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