Bathyraja parmifera

(BEAN, 1881)


Alaska skate
Classification: Elasmobranchii Rajiformes Rajidae

Reference of the original description
BEAN, T.H. (1881)
Descriptions of new fishes from Alaska and Siberia. Proceedings of the United States National Museum, 4: 144–159

Image of the original description
No image in first description.

Synonyms / new combinations and misspellings
Arctoraja parmifera, Bathyraja rosispinis, Bathyraja (Arctoraja) parmifera, Breviraja parmifera, Breviraja (Arctoraja) parmifera, Raia obtusa, Raia parmifera, Raia rosispinis, Raja obtusa, Raja parmifera, Raja rosispinis, Rhinoraja obtusa, Rhinoraja rosispinis

Types
Bathyraja parmifera
Holotype: USNM: 27651;
Raja rosispinis
Holotype: USNM: 48762
Rhinoraja obtusa
Holotype: USNM: 48763


Description :


Citation: Bathyraja parmifera (BEAN, 1881): In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 11/2017

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Bathyraja parmifera (BEAN, 1881), © Alexei Orlov
Common names
eng Alaska skate, eng Flathead skate

Distribution
North Pacific: Bering Sea to southeastern Alaska.

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]. Eggs have horn-like projections on the shell [17086]. Feeds on fish, squids and benthic invertebrates [5868].

Size / Weight / Age
129 cm TL (male/unsexed; (Ref. 56527)); max. published weight: 18.2 kg (Ref. 56527)

Habitat
demersal; marine; depth range 20 - 1450 m (Ref. 56527), usually 120 - 450 m (Ref. 56527)

Parasites (arranged by Jürgen Pollerspöck)
Cestoda