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🌊 Marine Data Deficient 🌡️ Deep-water

Smooth deep-sea skate

Brochiraja asperula Garrick & Paul, 1974
Max Length
51 cm
Max Weight
-
Lifespan
-
Trophic Level
3.8
Depth
200–1300 m
Climate
Deep-water
Resilience
Low
Vulnerability
51.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Inhabit the continental slope . 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 3.7 cm long and 2.2 cm wide .

Scientific Name
Brochiraja asperula
Authority
Garrick & Paul, 1974
Habitat
Marine
Climate
Deep-water
Body Shape
Other
IUCN Status
DD
Max Length
51 cm
Depth Range
200–1300 m
Trophic Level
3.8
Resilience
Low
Vulnerability
51.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dark brown in color . Wing tips rounded; snout shorter than most other skates; skin smooth, soft and loose, with band prickles on hind body and tail .: other.

🌀 Behaviour

Behavioural data for Smooth deep-sea skate 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 200 - 1300 m . Deep-water Southwest Pacific: endemic to New Zealand.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.8±0.7

📐 Morphometrics

Length–Weight Relationship: W = 0.00562 × L3.11 (TL)
Max TL
51cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2017

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
51.00/100
Moderate-High vulnerability
Trophic Level
3.8
Predator
Body Shape
Other
Climate Zone
Deep-water
Described By
Garrick & Paul, 1974

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Prickly Deepsea Skate · Smooth deep-sea skate · Smooth Deepsea Skate
🌍CES rejnok drsný
🇳🇱Dutch Stekelige diepzeerog

Scientific Synonyms

Scientific Name Author Year Status
Bathyraja asperula Garrick & Paul 1974 Synonym
Notoraja asperula Garrick & Paul 1974 Synonym
Pavoraja asperula Garrick & Paul 1974 Synonym

🗺️ 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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