Bathyraja aleutica (Gilbert, 1896)

Aleutian skate

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Elasmobranchii \| Rajiformes \| Rajidae
Synonyms	Raja aleutica, ... more
Common names	Aleutianrog, Arasukakasube, 腹斑深海鳐, ... more

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Image of Bathyraja aleutica (Aleutian skate)

Picture by Orlov, A.

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This map was computer-generated and has not yet been reviewed.

AquaMaps Data sources: GBIF OBIS

Main reference

McEachran, J.D. and K.A. Dunn. 1998. (Ref. 27314)
Other references | Biblio | Coordinator : McEachran, John | Collaborators

Size / Weight / Age

Max length : 161 cm TL male/unsexed; (Ref. 56527); max. published weight: 23.1 kg (Ref. 56527)

Environment

Bathydemersal; marine; depth range 15 - 1602 m (Ref. 50550)

Climate / Range

Deep-water

North Pacific: northern Japan to the Aleutian Islands and southeastern Alaska.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Paired thorns on scapular region; a series of continuous thorns from nuchal region onto tail (Ref. 559). Tail long, its length equal to or longer than disc length (Ref. 559). Snout length 1/2 or more of distance from snout tip to 5th gill opening (Ref. 559). Ventral side of disk white, with grayish margin (Ref. 559).

Oviparous. Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205). Eggs are oblong capsules with stiff pointed horns at the corners deposited in sandy or muddy flats (Ref. 205). Egg capsule measures 120-136 mm long and 73-90 mm wide (Ref. 41249, 41253).


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless

Human uses
Fisheries:


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

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Summary page \| Point data \| Common names \| Photos

Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be <100)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Very high vulnerability (86 of 100)	Medium

Entered by Froese, Rainer

Modified by Orlov, Alexei

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Page last modified by : elaxamana, 15 July 2009

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