Dentiraja falloarga

(LAST, 2008)


False Argus 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 falloargus sp. nov., adult male holotype (CSIRO H 5192–01, 414 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 falloargus


Images of types

Description :


Citation: Dentiraja falloarga (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 falloarga" to info@shark-references.com

Dorsal surface of Dentiraja falloargus sp. nov. primary female paratype (CSIRO H 1035–04, 347 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 False Argus skate

Short Description
Original diagnosis of LAST, 2008 [3310]: A very small species of Dipturus (to 49 cm TL) with the following combination of characters: disc narrow with angular apices, width 61–64% TL, 1.1– 1.2 times its length; snout angle 78–92°; tail moderately elongate, length 0.9–1.0 in distance from snout tip to rear of cloaca; tail slender, width 1.5–1.8 times height at its midlength, 1.6–2.1 times at first dorsal-fin origin; preupper jaw length 15–17% TL, 1.8–2.1 times internasal width; ventral head length 29–31% TL; snout length 3.4–4.3 times interorbital width; orbit diameter 75–101% interorbital width; first dorsal-fin height 1.8–2.4 in its base length; distance from first dorsal-fin origin to tail tip 3.2–3.6 times first dorsal-fin base length, 3.8–4.8 times caudal-fin length; pelvic fins of medium size, length of posterior lobe of adult males about 19% TL, length of anterior lobe 67–80% of posterior lobe; adult clasper relatively short, about 26% TL, connected to pelvic-fin inner margin at about 41% of its length from cloaca; narrow bands of fine denticles on anterior margins of both surfaces of disc; a single nuchal thorn; malar thorn patch small; tail with single median thorn row in males, additional dorsolateral rows in females; total pectoral radials 76–81; trunk centra 23–28; predorsal centra 71–80; total centra about 120–133; tooth rows in upper jaw 34–41; brownish to yellowish with paler spots and broken ocellate markings, greyish brown with paler outer margins ventrally; ventral sensory pores dark edged but not surrounded by greyish blotches.

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

Size / Weight / Age
45.0 cm TL (male/unsexed; [3310]); 49.1 cm TL (female)

Habitat
benthopelagic; marine; depth range 60 - 256 m [3310]

Remarks
shark-references Species-ID=14785;