Dentiraja confusa

(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 confusus sp. nov., adult male holotype (CSIRO H 4255–01, 508 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 confusus


Images of types

Description :


Citation: Dentiraja confusa (LAST, 2008): In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 05/2019

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

Dorsal surface of Dentiraja confusus sp. nov. female paratype (CSIRO H 1264–10, 566 mm TL); .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 Longnose skate

Short Description
Original diagnosis of LAST, 2008 [3310]: A small species of Dipturus (to 70 cm TL) with the following combination of characters: disc with narrowly rounded apices, width 70–75% TL, 1.1–1.2 times its length; snout angle 88–96°; tail short, length 0.7–0.8 in distance from snout tip to rear of cloaca; tail rather broad, width 1.8–2.4 times height at its midlength, 2.0–2.1 times at first dorsal-fin origin; preupper jaw length 15–19% TL, 1.6–1.9 times internasal width; ventral head length 33–35% TL; snout length 3.1–3.4 times interorbital width; orbit diameter 66–104% interorbital width; first dorsal-fin height 1.3–2.0 in its base length; distance from first dorsal-fin origin to tail tip 2.2–2.6 times first dorsal-fin base length, 4.6–8.7 times caudal-fin length; pelvic fins large, length of posterior lobe of adult males 20–22% TL, length of anterior lobe 57–71% of posterior lobe; adult clasper relatively short, 22–26% TL, connected to pelvic-fin inner margin at about 46–48% of its length from cloaca; long, narrow bands of fine denticles on anterior margins of both surfaces of disc; 0–3 nuchal thorns; malar thorns patch well developed; tail with single median thorn row in males, additional pair of lateral rows in females; total pectoral radials 78–83; trunk centra 28–30; predorsal centra 69–75; total centra about 108–114; tooth rows in upper jaw 33–41; mainly yellowish brown dorsally with distinct pattern of paler and darker spots and reticulations; whitish ventrally with greyish areas over most of head, on belly and near cloaca; ventral sensory pores dark edged anteriorly, usually surrounded by greyish blotches.

Distribution
Indo-West Pacific: Australia. Source: www.gbif.org

Size / Weight / Age
64.9 cm TL (male/unsexed; [3310]); 69.5 cm TL (female)

Habitat
benthopelagic; marine; depth range 18 - 390 m [3310], usually 18 - 120 m [3310]

Remarks
shark-references Species-ID=14783;