Bathyraja aleutica

(GILBERT, 1896)


Aleutian skate
Classification: Elasmobranchii Rajiformes Arhynchobatidae

Reference of the original description
GILBERT, C.R. (1895)
The ichthyological collections of the steamer Albatross during the years 1890 and 1891. Report of the United States Fish Commission, 1893 (Part 17): 393–476, Pls. 20–35

Image of the original description

Raja aleutica GILBERT, 1896 valid as: Bathyraja aleutica (GILBERT, 1896)

Synonyms / new combinations and misspellings
Breviraja aleutica, Breviraja (Bathyraja) aleutica, Raia aleutica, Raja aleutica

Types
Bathyraja aleutica
Holotype: USNM: 48548;


Description :


Citation: Bathyraja aleutica (GILBERT, 1896): In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 12/2018

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Bathyraja aleutica (GILBERT, 1896), © Alexei Orlov
Common names
eng Aleutian skate

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).

Distribution
North Pacific: northern Japan to the Aleutian Islands and southeastern Alaska. Source: www.gbif.org

Human uses
fisheries:

Biology
Oviparous, paired eggs are laid. Embryos feed solely on yolk [733]. Distinct pairing with embrace. Young may tend to follow large objects, such as their mother [17086]. Feeds on fish, benthic invertebrates and detritus [5868].

Size / Weight / Age
161 cm TL (male/unsexed; (Ref. 56527)); max. published weight: 23.1 kg (Ref. 56527)

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

Remarks
shark-references Species-ID=497;

Parasites (arranged by Jürgen Pollerspöck)
Cestoda