Bathyraja spinicauda

(Jensen, 1914)

Spinetail ray
Classification: Elasmobranchii Rajiformes Arhynchobatidae

Reference of the original description
Jensen, A.S. (1914)
The selachians of Greenland. Mindeskrift for Japetus Steenstrup, København: 1–40, 1 pl.

Image of the original description

Bathyraja spinicauda (JENSEN, 1914)

Synonyms / new combinations and misspellings
Ellipesurus spinicauda, Raia spinicauda, Raja spinicauda

Bathyraja spinicauda
Syntype: ZMUC: P08555 (old:354); ZMUC: P08554; ZMUC: P08552;

Description :

Citation: Bathyraja spinicauda (Jensen, 1914): In: Database of modern sharks, rays and chimaeras,, World Wide Web electronic publication, Version 11/2021

Please send your images of "Bathyraja spinicauda" to

Bathyraja spinicauda (JENSEN, 1914), Barents Sea, © Lynghammar Arve, Norway
Common names
deu \(T\) Grönlandrochen, spa Raya ferreiro, fra \(T\) Raie à queue épineuse, eng Spinetail ray, eng Spinetail skate, eng Spiny-tailed skate, eng Spinytail skate, por Raia-da-Gronelândia

Short Description
Disk without spines, except near edge of pectoral fins in males. Ventral mucous pores not blackish. Tail with middorsal row of large spines. Snout pointed [17658]. Upper surface pale brown or bluish gray without dark markings. Lower surface white with small sooty blotches irregularly distributed around margins of pectorals, pelvic fins white below. Lower surface of tail white but pale brown rearward [199]. Diet: Barents Sea (data base: of 14 stomachs examined) Spinytail skate stomach contents were dominated by fish (90% by mass), which included haddock, redfish and long rough dab. One of the stomachs contained a round skate of 26 cm TL. [5910];

Western Atlantic: Greenland side of Davis Strait and off the east coast of Newfoundland, Canada to off Georges Bank. Eastern Atlantic: Barents Sea, Norway, Iceland-Faroes-Shetland Rise and eastern Greenland [7182]. Source:

Human uses
fisheries: of no interest

Oviparous [7182]. 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]. An inhabitant of deep, cold water [17658]. Feeds on Mallotus villosus (capelin) and Raja radiata (thorny skate) (Ref. 5951).

Size / Weight / Age
170 cm TL (male/unsexed; [7182])

bathydemersal; marine; depth range 140 - 1463 m (Ref. 58426), usually 165 - 255 m [17658]

shark-references Species-ID=550;

Parasites (arranged by Jürgen Pollerspöck)
  • Trypanosoma rajae Laveran & Mesnil, 1902 [21433]

  • Haemogregarina delagei Laveran & Mesnil, 1901 [21433]

  • Rajonchocotyle batis Cerfontaine, 1899 [17258]

  • Echinobothrium affine Diesing, 1863 [17258]
  • Pseudanthobothrium hanseni Baer, 1956 [17258]

  • Gonocerca phycidis Manter, 1925 [17258]

  • Anisakis simplex (Rudolphi, 1809) [17258]
  • Metanisakis tricupola (Gibson, 1973) [17258]