Mustelus walkeri

WHITE & LAST, 2008


Eastern spotted gummy shark
Classification: Elasmobranchii Carcharhiniformes Triakidae

Reference of the original description
WHITE, W.T. & LAST, P.R. (2008)
Description of two new species of gummy sharks, genus Mustelus (Carcharhiniformes: Triakidae), from Australian waters. CSIRO Marine and Atmospheric Research Paper, 22: 189–202

Image of the original description

Mustelus walkeri sp. nov., holotype (CSIRO H 460–02, adult male, 926 mm TL, preserved): ventral head view. In: WHITE, W.T. & LAST, P.R. (2008): Description of two new species of gummy sharks, genus Mustelus (Carcharhiniformes: Triakidae), from Australian waters. CSIRO Marine and Atmospheric Research Paper, 22: 189-202



Description :


Citation: Mustelus walkeri WHITE & LAST, 2008: In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 12/2018

Please send your images of "Mustelus walkeri" to info@shark-references.com

Mustelus walkeri sp. nov., holotype (CSIRO H 460–02, adult male, 926 mm TL, preserved): lateral view; In: WHITE, W.T. & LAST, P.R. (2008): Description of two new species of gummy sharks, genus Mustelus (Carcharhiniformes: Triakidae), from Australian waters. CSIRO Marine and Atmospheric Research Paper, 22: 189-202
Common names
eng Eastern spotted gummy shark

Short Description
A relatively large species with the following characters: tall dorsal fins, its posterior margin directed posteroventrally from top to bottom and not upright distally, first dorsal-fin base is 1.6-2.0 times the anal-caudal space; buccopharyngeal denticles cover entire palate and floor of mouth; long claspers of adult males are slender, strongly depressed, the inner length about 9-10% TL, extending to just anterior of the second dorsal-fin origin; lower edge of spiracle is usually close to level of mid-eye; insertion of anal-fin usually over its apex; about 69/73 teeth rows; 78- 94 precaudal vertebral centra; 35-39 monospondylous centra; dorsal color pale greyish with numerous small, often indistinct, semi-regular, diffuse-edged white spots on postspiracular head and body; light and dark tonal coloration well demarcated on head below eye and onto middle of first gill slit, the intergill membranes are much darker dorsally than ventrally; bases and inner lobe of dorsal fins in juveniles (

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

Size / Weight / Age
94.2 cm TL (male/unsexed; [3345]); 111.6 cm TL (female)

Habitat
benthopelagic; marine; depth range 52 - 403 m [3345]

Remarks
shark-references Species-ID=3828;