Dipturus apricus

LAST, WHITE & POGONOSKI, 2008


Pale tropical skate
Classification: Elasmobranchii Rajiformes Rajidae

Reference of the original description
LAST, P.R. & WHITE, W.T. & POGONOSKI, J.J. (2008)
New skates of the genus Dipturus (Rajoidei: Rajidae) from Australian Seas. CSIRO Marine and Atmospheric Research Paper, 21: 9–52

Image of the original description

Dipturus apricus sp. nov., adult male holotype (CSIRO H 601–01, 598 mm TL, fresh): A, dorsal surface; B, ventral surface..; In: LAST, P.R. & WHITE, W.T. & POGONOSKI, J.J. 2008 New skates of the genus Dipturus (Rajoidei: Rajidae) from Australian Seas. CSIRO Marine and Atmospheric Research Paper, 21: 9-52



Description :


Citation: Dipturus apricus LAST, WHITE & POGONOSKI, 2008: In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 11/2018

Please send your images of "Dipturus apricus" to info@shark-references.com

Dorsal surface of Dipturus apricus sp. nov. female paratype (CSIRO H 947–14, 449 mm TL, fresh); In: LAST, P.R. & WHITE, W.T. & POGONOSKI, J.J. 2008 New skates of the genus Dipturus (Rajoidei: Rajidae) from Australian Seas. CSIRO Marine and Atmospheric Research Paper, 21: 9-52
Common names
eng Pale tropical skate

Short Description
Original Diagnose of LAST, WHITE & POGONOSKI, 2008 [3309]: A medium-sized species of Dipturus (to 76.5 cm TL) with the following combination of characters: disc relatively broad with angular apices, width 67–71% TL, 1.1–1.2 times its length; snout angle 68–77°; tail length 0.7–0.8 in distance from snout tip to rear of cloaca; tail relatively slender, width 1.4–1.7 times height at its midlength, 1.4–1.8 times at first dorsal-fin origin; pre-upper jaw length 18–22% TL, 2.4–2.8 times internasal width; ventral head length 33–36% TL; snout length 4.1–4.8 times interorbital width; orbit diameter 52–72% interorbital width; first dorsal-fin height 1.8–2.4 in its base length; distance from first dorsal-fin origin to tail tip 2.9–3.6 times first dorsal-fin base length, 3.0–3.9 times caudal-fin length; pelvic fins of medium size, length of posterior lobe of adult males 15–17% TL, length of anterior lobe 67–69% of posterior lobe; adult clasper relatively short, 23–27% TL, connected to pelvic-fin inner margin at about 36–41% of its length from cloaca; anterior margins of both surfaces of disc with narrow bands of fine denticles in late adolescent and adult males; no nuchal or malar thorns; tail with a single thorn row in males, 1–2 additional pairs of variably developed lateral rows in largest females; total pectoral radials 86–91; trunk centra 28–31; predorsal centra 75–83; total centra about 128–140; tooth rows in upper jaw 32–40; mainly uniformly greyish brown dorsally; mostly darker greyish brownish (blotchy) ventrally, snout tip usually blackish; ventral sensory pores small, distinct, black-edged, not surrounded by greyish blotches.

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

Size / Weight / Age
65.9 cm TL (male/unsexed; [3309]); 76.5 cm TL (female)

Habitat
demersal; marine; depth range 196 - 606 m [3309], usually 300 - 500 m [3309]