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🌊 Marine Near Threatened 🌡️ Deep-water

Bigtail skate

Dipturus macrocauda Ishiyama, 1955
Max Length
120 cm
Max Weight
-
Lifespan
-
Trophic Level
3.9
Depth
300–400 m
Climate
Deep-water
Resilience
Low
Vulnerability
67.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Found on sand-mud bottoms . 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 13.0-14.6 cm long and 6.0-8.0 cm wide .

Scientific Name
Dipturus macrocauda
Authority
Ishiyama, 1955
Habitat
Marine
Climate
Deep-water
IUCN Status
NT
Max Length
120 cm
Depth Range
300–400 m
Trophic Level
3.9
Resilience
Low
Vulnerability
67.00/100
Salinity
30–40 ppt

🐟 Physical Description

Physical description for Bigtail skate is currently being compiled.

🌀 Behaviour

Behavioural data for Bigtail skate is currently being reviewed.

🦐 Diet

Diet information for Bigtail skate is currently being compiled.

🥚 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 . Eggs have horn-like projections on the shell .

🌍 Habitat & Distribution

Marine; bathydemersal; depth range 300 - 400 m . Deep-water Northwest Pacific: Japan and the East China Sea.

🌿 Ecology

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

📐 Morphometrics

Length–Weight Relationship: W = 0.00288 × L3.25 (TL)
Max TL
120cm

🌡️ 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
67.00/100
High vulnerability
Trophic Level
3.9
Predator
Climate Zone
Deep-water
Described By
Ishiyama, 1955

👥 Community & Contribute

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