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🌊 Marine Least Concern 🌡️ Deep-water

Richardson's ray

Bathyraja richardsoni Garrick, 1961
Richardson’s Skate (Bathyraja richardsoni)
Richardson’s Skate (Bathyraja richardsoni)
Max Length
175 cm
Max Weight
-
Lifespan
-
Trophic Level
4
Depth
803–2500 m
Climate
Deep-water
Resilience
Low
Vulnerability
86.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Found in deepwater on lower parts of continental slopes, on submarine rises and on deep-sea plains adjacent to both . Feeds mainly on fishes, with a small amount of shrimps . Oviparous . Eggs have horn-like projections on the shell . Minimum depth reported taken from Ref. 3167.

Scientific Name
Bathyraja richardsoni
Authority
Garrick, 1961
Habitat
Marine
Climate
Deep-water
Body Shape
Other
IUCN Status
LC
Max Length
175 cm
Depth Range
803–2500 m
Latitude
42°S – 48°N
Trophic Level
4
Resilience
Low
Vulnerability
86.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Grey in color; diamond-shaped and without large thorns on body or tail .: other.

🌀 Behaviour

Behavioural data for Richardson's ray is currently being reviewed.

🦐 Diet

Diet information for Richardson's ray is currently being compiled.

🥚 Reproduction

🐣 Oviparous

Oviparous . Paired eggs are laid. Embryos feed solely on yolk . Eggs have horn-like projections on the shell .

🌍 Habitat & Distribution

Marine; bathydemersal; depth range 803 - 2500 m . Deep-water; 48°N - 42°S North Atlantic and South Pacific (Cook Strait, New Zealand), but probably cosmopolitan.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
4±0.69
Food Items

fishes, with a small amount of shrimps (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00562 × L3.13 (TL)
Max TL
175cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2015

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
86.00/100
Very High vulnerability
Trophic Level
4
Apex / Top predator
Body Shape
Other
Climate Zone
Deep-water
Latitude Range
48°N – 42°S
Described By
Garrick, 1961

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Deepsea Skate · Richardson's Skate · Richardson's ray · Richardson’s Skate · Richardson’s ray · deepwater skate
🌍CES rejnok Richardsonův
🇩🇪German Richardson-Rochen · Richardsons Tiefenrochen
🇫🇮Finnish harmaapehmorausku
🇫🇷French Raie de Richardson · raie de profondeurs
🌍LIT Ričardsono raja
🇵🇹Portuguese Raia de Richardson
🇷🇺Russian скат Ричардсона
🇪🇸Spanish Raya De Richardson

Scientific Synonyms

Scientific Name Author Year Status
Raja richardsoni Garrick 1961 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 5 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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