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🌊 Marine Least Concern 🌡️ Polar

Bottom skate

Bathyraja bergi Dolganov, 1983
Max Length
93 cm
Max Weight
-
Lifespan
-
Trophic Level
4
Depth
300–1800 m
Climate
Polar
Resilience
Low
Vulnerability
63.00/100
Typical Length
-
Depth Zone
-

📖 Overview

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 capsule measures 11.77 cm long and 8.46 cm wide . Depth range of 300 m-500 m given by H. Ishihara (pers.comm. 07/07).

Scientific Name
Bathyraja bergi
Authority
Dolganov, 1983
Habitat
Marine
Climate
Polar
IUCN Status
LC
Max Length
93 cm
Depth Range
300–1800 m
Trophic Level
4
Resilience
Low
Vulnerability
63.00/100
Salinity
30–40 ppt

🐟 Physical Description

Physical description for Bottom skate is currently being compiled.

🌀 Behaviour

Behavioural data for Bottom skate is currently being reviewed.

🦐 Diet

Diet information for Bottom 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 .

🌍 Habitat & Distribution

Marine; bathydemersal; depth range 300 - 1800 m . Polar Northwest Pacific: Japan (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine
Trophic Level
4±0.7

📐 Morphometrics

Length–Weight Relationship: W = 0.00562 × L3.13 (TL)
Max TL
93cm

🌡️ 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
63.00/100
High vulnerability
Trophic Level
4
Apex / Top predator
Climate Zone
Polar
Described By
Dolganov, 1983

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