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🌊 Marine Data Deficient 🌡️ Deep-water

Prow-nose skate

Dipturus stenorhynchus Wallace, 1967
Max Length
101 cm
Max Weight
-
Lifespan
-
Trophic Level
3.9
Depth
253–761 m
Climate
Deep-water
Resilience
Low
Vulnerability
60.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Found on upper and mid-continental slope . Oviparous . Eggs have horn-like projections on the shell . Males reaches maturity at ca. 83-98 cm TL; smallest known specimen at 24 cm TL; hatching size possibly at ca. 24 cm TL .

Scientific Name
Dipturus stenorhynchus
Authority
Wallace, 1967
Habitat
Marine
Climate
Deep-water
Body Shape
Other
IUCN Status
DD
Max Length
101 cm
Depth Range
253–761 m
Trophic Level
3.9
Resilience
Low
Vulnerability
60.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Elasmobranchii
Elasmobranchii
Order
Rajiformes
Rajiformes
Family
Rajidae
Rajidae
Genus
Dipturus
Dipturus
Species
Prow-nose skate
Dipturus stenorhynchus

🐟 Physical Description

An all-dark longnose skate with a greatly elongated, broadly triangular snout, and a stout tail - shorter than body and with mid-section swollen and triangular-shaped; disc with angular corners and smooth underside; small thorn at nape . Uniform dark grey above and below with black mucous pores on the underside .: other.

🌀 Behaviour

Behavioural data for Prow-nose 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; bathydemersal; depth range 253 - 761 m . Deep-water; 20°S - 32°S, 30°E - 38°E South Africa.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.9±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.00288 × L3.25 (TL)
Max TL
101cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
60.00/100
High vulnerability
Trophic Level
3.9
Predator
Body Shape
Other
Climate Zone
Deep-water
Described By
Wallace, 1967

🌐 Names & Taxonomy

Language Common Names
🇬🇧English prow-nose skate · Prownose Skate
🌍CES rejnok úzkorypý

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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