Beringraja binoculata

(GIRARD, 1855)


Big skate
Classification: Elasmobranchii Rajiformes Rajidae

Reference of the original description
GIRARD, C.F. (1855)
Characteristics of some cartilaginous fishes of the Pacific coast of North America. Proceedings of the Academy of Natural Sciences of Philadelphia, 7: 196–197

Image of the original description
No image in first description.

Synonyms / new combinations and misspellings
Dipturus binoculata, Dipturus binoculatus, Raia binoculata, Raja binoculata, Raja cf. binoculata, Raja cooperi, Raja (Dipturus) binoculata, Uraptera binoculata

Types
Beringraja binoculata



Description :


Citation: Beringraja binoculata (GIRARD, 1855): In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 12/2018

Please send your images of "Beringraja binoculata" to info@shark-references.com

Beringraja binoculata (GIRARD, 1855) © Alaska Fisheries Science Center, NOAA Fisheries
Common names
spa Raya bruja gigante, spa Raya gigante, fra \(T\) Raie, eng Big skate

Short Description
Dorsal fins well back on tail, small; caudal and anal fins absent; pectorals broad, attached to snout and incorporated with body; pelvic fins large, moderately concave on free margins (Ref. 6885). Posterior sides of tail with a small fleshy keel on either side (Ref. 6885).

Distribution
North Pacific: Glubokaya Bay, Cape Navarin, and Stalemate Bank to Cedros Island, Baja California, Mexico.

Human uses
fisheries: commercial; aquarium: public aquariums

Biology
Up to 7 embryos per egg case [17050]. 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 and crustaceans [17050].

Size / Weight / Age
244 cm TL (male/unsexed; [17050]); max. published weight: 91.0 kg [17050]

Habitat
demersal; marine; depth range 3 - 800 m (Ref. 6793), usually 3 - 110 m [17050]

Remarks
shark-references Species-ID=13990;

Parasites (arranged by Jürgen Pollerspöck)
Kinetoplastea
  • Trypanosoma gargantua LAIRD, 1951 [21264]

Monogenea
  • Allacanthocotyla pugetensis (GUBERLET, 1937) YAMAGUTI, 1953 [17150]
  • Empruthotrema raiae (MACCALLUM, 1916) JOHNSTON & TIEGS, 1922 [17150]
  • Merizocotyle pugetensis KAY, 1942 [17147] [17150] [17847] [17002]
  • Pseudacanthocotyla pacifica (BONHAM & GUBERLET, 1938) [17150] [17847]
  • Rajonchocotyle batis CERFONTAINE, 1899 [17847]
  • Rajonchocotyle ovata GUBERLET, 1936 [17150]

Cestoda
Trematoda
  • Otodistomum veliporum (CREPLIN, 1837) STAFFORD, 1904 [16911]

Copepoda
  • Eudactylina similis SCOTT, 1902 [17867]
  • Lepeophtheirus cuneifer KABATA, 1974 [17103] [17919]
  • Pseudocharopinus dentatus (WILSON, 1912) [16549]

Isopoda
  • Rocinela angustata RICHARDSON, 1904 [23898]
  • Rocinela propodialis RICHARDSON, 1905 [23898]

Hirudinea
  • Pontobdella californiana BURRESON & PASSARELLI, 2015 [23147]