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🌊 Marine Least Concern 🌡️ Subtropical

Ridged-egg catshark

Apristurus ovicorrugatus Delva, Nakaya & Iglésias, 2023
Max Length
46.7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.9
Depth
410–550 m
Climate
Subtropical
Resilience
High
Vulnerability
28.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Overview information for Ridged-egg catshark is currently being compiled by our editorial team.

Scientific Name
Apristurus ovicorrugatus
Authority
Delva, Nakaya & Iglésias, 2023
Habitat
Marine
Climate
Subtropical
IUCN Status
LC
Max Length
46.7 cm
Depth Range
410–550 m
Trophic Level
3.9
Resilience
High
Vulnerability
28.00/100
Salinity
30–40 ppt

🐟 Physical Description

This species is distinguished by the following combination of characters: when alive/fresh, eyes with shiny white iris; head moderately long and relatively narrow, its length 23.8% LT, interorbital space 6.4% LT; snout moderately elongate, preoral length is 10.0% LT and preorbital length 10.9% LT; mouth wide, its width 9.5% LT; pelvic–anal space 5.9% LT; anal fin is large, base length 15.2% LT, posterior margin 11.5% LT; prepectoral length is relatively long, about 21.1% LT; labial furrows long, not confined to mouth corners, uppers are longer than lowers (3.8 vs. 2.4% LT); enlarged denticles absent on upper or lower caudal fin; duodenum of intestine moderately sized, intestinal spiral valves 15; monospondylous centra 35; precaudal-diplospondylous vertebrae 33; precaudal centra 68; females mature by 46.7 cm LT; egg case small (5.04-6/06 cm long), with 5-7 strong T-shaped ridges on dorsal and ventral surfaces .Cross section: angular.

🌀 Behaviour

Behavioural data for Ridged-egg catshark is currently being reviewed.

🦐 Diet

Diet information for Ridged-egg catshark is currently being compiled.

🥚 Reproduction

Reproduction data for Ridged-egg catshark is currently being compiled.

🌍 Habitat & Distribution

Marine; bathydemersal; depth range 410 - 550 m . Subtropical West Pacific: Australia.

🌿 Ecology

Zone Preferences
🌊 Marine
Trophic Level
3.9±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.00347 × L3.09 (TL)
Max TL
46.7cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2023

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
28.00/100
Low vulnerability
Trophic Level
3.9
Predator
Climate Zone
Subtropical
Described By
Delva, Nakaya & Iglésias, 2023

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