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🌊 Marine Least Concern 🌡️ Subtropical

Slime skate

Dipturus pullopunctatus Smith, 1964
Max Length
130 cm
Max Weight
-
Lifespan
-
Trophic Level
4.1
Depth
50–457 m
Climate
Subtropical
Resilience
Low
Vulnerability
75.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Found on soft bottoms of the outer shelf and upper slope . Feeds on bony fish, crabs, shrimp, mysids, mantis shrimp, euphausiids, bivalves and cuttlefish . Oviparous . Eggs have horn-like projections on the shell . Males reaches maturity at 88-96 cm TL, females possibly slightly larger off Western than Southern coast of South Africa; hatching size at ca. 19 cm TL . Commonly taken by hake trawlers . Extremely slippery when caught .

Scientific Name
Dipturus pullopunctatus
Authority
Smith, 1964
Habitat
Marine
Climate
Subtropical
Body Shape
Other
IUCN Status
LC
Max Length
130 cm
Depth Range
50–457 m
Trophic Level
4.1
Resilience
Low
Vulnerability
75.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

A striking two-toned longnose skate, medium brown above and abruptly dark grey below, with a large, conspicuous, dark brown blotch on the upper base of each pectoral fin . Snout moderately elongated and bluntly triangular, and tail stout, not conspicuously swollen and about equal to body length; pectoral disc with broadly rounded corners and smooth underside without denticles; thorns at nape and along midline of back and tail to 1st dorsal fin, nape spine enormous in young . Hatchlings and juveniles with wide-spaced black spots on upper disc, inconspicuous or lost in adolescents and adults; adults sometimes with numerous small white spots . Underside with numerous black pores .: other.

🌀 Behaviour

Behavioural data for Slime skate is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

🐣 Oviparous

Oviparous, paired eggs are laid. Embryos feed solely on yolk . Eggs have horn-like projections on the shell .

🌍 Habitat & Distribution

Marine; demersal; depth range 50 - 457 m . Subtropical; 26°S - 36°S, 12°E - 29°E

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
4.1±0.69
Food Items

bony fish, crabs, shrimp, mysids, mantis shrimp, euphausiids, bivalves and cuttlefish (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.0038 × L3.19 (TL)
Max TL
130cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
75.00/100
High vulnerability
Trophic Level
4.1
Apex / Top predator
Body Shape
Other
Climate Zone
Subtropical
Described By
Smith, 1964

🌐 Names & Taxonomy

Language Common Names
🇬🇧English blackspot skate · Slime Skate

🗺️ 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
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