Dentiraja oculata

(LAST, 2008)



Classification: Elasmobranchii Rajiformes Rajidae

Reference of the original description
LAST, P.R. (2008)
New short-snout members of the skate genus Dipturus (Rajoidei: Rajidae) from Australian seas. CSIRO Marine and Atmospheric Research Paper, 21: 53–98

Image of the original description

Dentiraja oculata sp. nov., early adolescent male holotype (CSIRO H 2619–01, 460 mm TL, fresh): A, dorsal surface; B, ventral surface In: LAST, P.R. 2008 New short-snout members of the skate genus Dipturus (Rajoidei: Rajidae) from Australian seas. CSIRO Marine and Atmospheric Research Paper, 21: 53-98

Synonyms / new combinations and misspellings
Dipturus oculus


Images of types

Description :


Citation: Dentiraja oculata (LAST, 2008): In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 04/2019

Please send your images of "Dentiraja oculata" to info@shark-references.com

Dorsal surface of Dentiraja oculata sp. nov., primary female paratype (CSIRO H 2619–02, 557 mm TL, fresh).In: LAST, P.R. 2008 New short-snout members of the skate genus Dipturus (Rajoidei: Rajidae) from Australian seas. CSIRO Marine and Atmospheric Research Paper, 21: 53-98
Common names
eng Ocellate skate

Short Description
Original diagnosis of LAST, 2008 [3310]: A small species of Dipturus (to about 56 cm TL) with the following combination of characters: disc narrow with rounded apices, width 71–74% TL, about 1.2 times its length; snout angle 90–96°; tail short, length 0.7–0.8 in distance from snout tip to rear of cloaca; tail relatively broad, width 1.7–2.3 times height at its midlength, 1.9–2.2 times at first dorsal-fin origin; preupper jaw length 17–19% TL, 1.7–2.1 times internasal width; ventral head length 32–34% TL; snout length 3.4–3.6 times interorbital width; orbit diameter 68–82% interorbital width; first dorsal-fin height 1.6–1.8 in its base length; distance from first dorsal-fin origin to tail tip 2.4–3.1 times first dorsal-fin base length, 1.8–2.5 times caudal-fin length; pelvic fins of medium size, length of posterior lobe of adolescent males about 17% TL, length of anterior lobe 69–75% of posterior lobe; clasper of late adolescent male short, about 15% TL; anterior margins of both surfaces of head with narrow bands of denticles; a single nuchal thorn; malar thorn patch probably present in adult males (early stages of development in midadolescent male); tail thorn in single staggered row in males, two additional pairs of lateral rows in females; total pectoral radials 80–89; trunk centra 27–31; predorsal centra 69–85; total centra about 113–127; tooth rows in upper jaw 34–40; brownish or greyish dorsally with a large dark ocellus on each pectoral fin; ventral surface not uniformly coloured, greyish or brown on disc and tail, paler distally; ventral sensory pores greyish or black, without surrounding dusky blotches.

Distribution
Eastern Indian Ocean: Australia. Source: www.gbif.org

Size / Weight / Age
55.7 cm TL (female)

Habitat
benthopelagic; marine; depth range 200 - 389 m [3310]

Remarks
shark-references Species-ID=14787;