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🌊 Marine Near Threatened 🌡️ Subtropical

Blackspot skate

Dipturus campbelli Wallace, 1967
Max Length
66 cm
Max Weight
-
Lifespan
-
Trophic Level
3.8
Depth
137–403 m
Climate
Subtropical
Resilience
Low
Vulnerability
50.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Found on the bottom of the outer shelf and upper slope . Probably caught by trawlers .Oviparous . Eggs have horn-like projections on the shell . Males reaches maturity at ca. 57 cm TL, females at ca. 64 cm TL

Scientific Name
Dipturus campbelli
Authority
Wallace, 1967
Habitat
Marine
Climate
Subtropical
Body Shape
Other
IUCN Status
NT
Max Length
66 cm
Depth Range
137–403 m
Trophic Level
3.8
Resilience
Low
Vulnerability
50.00/100
Salinity
30–40 ppt

🐟 Physical Description

A black-spotted longnose skate with an elongated, acutely triangular snout, and a stout tail- just shorter than body and slightly swollen along the mid-section; disc with rounded corners and smooth underside except for small denticles on edges and tip of snout; small thorns on nape and midback to 1st dorsal fin . Medium grey to brownish with numerous small dark spots dorsally; grey with conspicuous black pores ventrally .: other.

🌀 Behaviour

Behavioural data for Blackspot skate is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 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 137 - 403 m . Subtropical; 20°S - 31°S, 30°E - 38°E central Mozambique to Durban, South Africa.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.8±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.00288 × L3.25 (TL)
Max TL
66cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Near Threatened
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
50.00/100
Moderate-High vulnerability
Trophic Level
3.8
Predator
Body Shape
Other
Climate Zone
Subtropical
Described By
Wallace, 1967

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