Dipturus olseni

(BIGELOW & SCHROEDER, 1951)


Spreadfin skate
Classification: Elasmobranchii Rajiformes Rajidae

Reference of the original description
BIGELOW, H.B. & SCHROEDER, W.C. (1951)
Three new skates and a new chimaerid fish from the Gulf of Mexico. Journal of the Washington Academy of Sciences, 41 (12): 383–392

Image of the original description
Image in copyright.

Synonyms / new combinations and misspellings
Raja olseni, Raja (Dipturus) olseni

Types
Dipturus olseni
Holotype: USNM: 153556; Paratype: MCZ: 37176;


Description :


Citation: Dipturus olseni (BIGELOW & SCHROEDER, 1951): 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 "Dipturus olseni" to info@shark-references.com

Dipturus olseni (BIGELOW & SCHROEDER, 1951), © NOOA www.photolib.noaa.gov/
Common names
spa Raya colona, eng Spreadfin skate

Short Description
Mucous pores on ventral surface not so black except mouth. Outer rim of nostril fringed. Pair of small white pores behind each spiracle, smaller whitish pores in 2 rows toward the tail [17658]. Lack of thorns along the midbelt of the disc from the level of the axils of the pectorals to the vicinity of the spiracles. Interspace between the dorsal fins. Upper surface dark olive brown with many small roundish obscure spots of darker brown on disc. Lower surface jet black [199].

Distribution
Western Central Atlantic: northern Gulf of Mexico from Florida to Texas (USA). Source: www.gbif.org

Biology
Oviparous, paired eggs are laid. Embryos feed solely on yolk [733]. Eggs have horn-like projections on the shell [17086].

Size / Weight / Age
60.0 cm TL (male/unsexed; [17658])

Habitat
demersal; marine; depth range 91 - 238 m [17658]

Remarks
shark-references Species-ID=2022;

Parasites (arranged by Jürgen Pollerspöck)
Monogenea