Malacoraja spinacidermis

(BARNARD, 1923)


Roughskin skate
Classification: Elasmobranchii Rajiformes Rajidae

Reference of the original description
BARNARD, K.H. (1923)
Diagnoses of new species of marine fishes from South African waters. Annals of the South African Museum, 13 (8,14): 439–445

Image of the original description
No image in first description.

Synonyms / new combinations and misspellings
Raia spinacidermis, Raja mollis, Raja spinacidermis, Raja (Malacoraja) mollis, Raja (Malacoraja) spinacidermis

Types
Malacoraja spinacidermis
Holotype: BMNH: 1935.7.19.7;
Raja mollis
Holotype: USNM: 33385


Description :


Citation: Malacoraja spinacidermis (BARNARD, 1923): In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 11/2018

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Common names
spa Raya piel áspera, fra \(T\) Raie molle, fra \(T\) Raie mollette, fra \(T\) Raie peau hérissée, eng Prickled ray, eng Prickled skate, eng Roughskin skate, eng Skate, eng Soft skate

Short Description
Very broad, almost pentagonal disc, light above and abruptly dark below; snout bluntly pointed with a flexible tip, eyes small and close together, and a disc with broadly rounded rear margins and tips [536]. Small juveniles with and adults without thorns and covered only with small denticles [536]. Slate-grey or greyish-brown above except rear margins of pectoral and pelvic fins and claspers of adult males which are dark brown; dark brown below, sometimes with light blotches [536]. Lack of large thorns on its disc posterior to the scapular region [199].

Distribution
Eastern Atlantic: Baffin Bay-Davis Strait Offshore to Iceland-Faeroe Ridge, off northwest Africa (Rio de Oro), off southern Namibia and South Africa. Source: www.gbif.org

Biology
Oviparous [7182]. Paired eggs are laid. Embryos feed solely on yolk [733]. A very rare species inhabiting continental slopes and probably down to the abyssal plains [7182]. Benthic (Ref. 58426). Adults usually at depths greater than 1,500 m while juveniles are mainly taken from about 450 m downward [7180]. Minimum depth reported taken from [7180]. Feeds on crustaceans (Ref. 58426).

Size / Weight / Age
70.0 cm TL (male/unsexed; [7180])

Habitat
bathydemersal; marine; depth range 450 - 1568 m [536]

Remarks
8904