Dentiraja endeavouri

(LAST, 2008)


Endeavour skate
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 endeavouri sp. nov., adult male holotype (CSIRO H 6630–01, 318 mm TL, preserved): 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 endeavouri

Types
Dentiraja endeavouri

Dipturus endeavouri
Holotype: CSIRO: H 6630-01; Paratype: AMS: I.39891-017; CSIRO: H 6630-05; CSIRO: H 6630-04; CSIRO: H 6630-02; CSIRO: H 2692-10; CSIRO: H 2687-02; CSIRO: H 2687-01; CSIRO: H 6630-03; QM: I 19257; QM: I 19970;

Images of types

Description :


Citation: Dentiraja endeavouri (LAST, 2008): In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 02/2019

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

Dorsal surface of Dentiraja endeavouri sp. nov. primary female paratype (CSIRO H 2687–01, 367 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 Endeavour skate

Short Description
Original diagnosis of LAST, 2008 [3310]: A very small species of Dipturus (to about 37 cm TL) with the following combination of characters: disc narrow with rounded apices, width 62– 69% TL, 1.1–1.2 times its length; snout angle 79–93°; tail moderately elongate, length 0.8–1.0 in distance from snout tip to rear of cloaca; tail relatively broad, width 1.4–2.1 times height at its midlength, 1.6–2.3 times at first dorsal-fin origin; pre-upper jaw length 15–18% TL, 1.9–2.3 times internasal width; ventral head length 30– 32% TL; snout length 4.0–4.4 times interorbital width; orbit diameter 98–129% interorbital width; first dorsalfin height 1.3–1.7 in its base length; distance from first dorsal-fin origin to tail tip 2.8–3.0 times first dorsal-fin base length, 1.2–1.7 times caudal-fin length; pelvic fins large, length of posterior lobe of adult males about 20% TL, length of anterior lobe 56–76% of posterior lobe; clasper of adult male long, about 24–26% TL, connected to pelvic-fin inner margin at about 37–44% of its length from cloaca; anterior margins of dorsal surface with narrow denticle bands, naked ventrally; mainly with a single nuchal thorn; malar thorn patch small; tail with 3 well-developed thorn rows in males, with an additional pair of lateral rows in females; total pectoral radials 76–81; trunk centra 26–29; predorsal centra 69–77; total centra about 112–124; tooth rows in upper jaw 33–44; brownish dorsally with widely spaced clusters of small black and white spots; ventral surface pale, plain coloured; sensory pores on ventral surface black-edged with small dusky surrounding patches.

Distribution
Western Pacific: Australia. Source: www.gbif.org

Size / Weight / Age
32.1 cm TL (male/unsexed; [3310]); 36.7 cm TL (female)

Habitat
benthopelagic; brackish; depth range 153 - 292 m [3310]

Remarks
shark-references Species-ID=14784;