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🌊 Marine Least Concern 🌡️ Deep-water

Japanese catshark

Apristurus japonicus Nakaya, 1975
Max Length
71 cm
Max Weight
-
Lifespan
-
Trophic Level
4
Depth
-
Climate
Deep-water
Resilience
Low
Vulnerability
36.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Japanese catshark (Apristurus japonicus), first described by Nakaya, 1975 is a large fish in the family Pentanchidae (order Carcharhiniformes). Adults typically reach 71.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. It occurs in Deep-water waters. Diet is predominantly piscivorous, targeting other fish and larger prey. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Apristurus japonicus
Authority
Nakaya, 1975
Habitat
Marine
Climate
Deep-water
IUCN Status
LC
Max Length
71 cm
Trophic Level
4
Resilience
Low
Vulnerability
36.00/100
Salinity
30–40 ppt

🐟 Physical Description

Physical description for Japanese catshark is currently being compiled.

🌀 Behaviour

Behavioural data for Japanese catshark is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

🐣 Oviparous

Oviparous, paired eggs are laid. Embryos feed solely on yolk .

🌍 Habitat & Distribution

Marine; bathydemersal. Deep-water; 36°N - 34°N Northwest Pacific: off Chiba Prefecture, Honshu, Japan.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
4±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.00347 × L3.09 (TL)
Max TL
71cm

🌡️ 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
36.00/100
Moderate vulnerability
Trophic Level
4
Apex / Top predator
Climate Zone
Deep-water
Described By
Nakaya, 1975

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