Squalus hemipinnis

White, Last & Yearsley, 2007


Indonesian shortsnout spurdog
Classification: Elasmobranchii Squaliformes Squalidae

Reference of the original description
White, W.T. & Last, P.R. & Yearsley, G.K. (2007)
Part 10 - Squalus hemipinnis sp. nov, a new short-snouted spurdog from eastern Indonesia. CSIRO Marine and Atmospheric Research Paper, 14, 101–108

Image of the original description

Lateral view of and ventral view of the head of Squalus hemipinnis sp. nov. holotype (MZB 15040, female 637 mm TL); In: White, W.T. & Last, P.R. & Yearsley, G.K. 2007 Part 10 - Squalus hemipinnis sp. nov, a new short-snouted spurdog from eastern Indonesia. CSIRO Marine and Atmospheric Research Paper, 14: 101-108



Description :


Citation: Squalus hemipinnis White, Last & Yearsley, 2007: In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 03/2024

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Lateral view of Squalus hemipinnis (CSIRO H 5631–02, female 575 mm TL); In: White, W.T. & Last, P.R. & Yearsley, G.K. 2007 Part 10 - Squalus hemipinnis sp. nov, a new short-snouted spurdog from eastern Indonesia. CSIRO Marine and Atmospheric Research Paper, 14: 101-108
Common names
eng Indonesian shortsnout spurdog

Short Description
This species is distinguished by the following set of characters: slender body of moderate size, depth 9-10.6% TL; relatively narrow and very short snout, horizontal prenarial length is 8.4-9.1% TL; large eyes, length 5.1-5.6% TL; secondary lobe of anterior nasal flap is well developed; small dorsal fins that are strongly raked; first dorsal-fin spine is moderate, broad-based while the second dorsal-fin spine is moderate, robust and broad-based; weakly falcate pectoral fin in adults its inner margin relatively short, 6.9-7.8% TL; caudal fin with a short, broad caudal bar, enlarged upper caudal blotch and the fringe is located distally on lobe in juveniles; flank denticles are broadly unicuspidate to weakly tricuspidate; monospondylous centra 35-38, precaudal centra 72-76, total centra 96-100 [3325].

Distribution
Eastern Indian Ocean: Indonesia.

Size / Weight / Age
52.2 cm TL (male/unsexed; [3325]); 78 cm TL (female)

Habitat
benthopelagic; marine; depth range ? - 100 m [3325]

Remarks
shark-references Species-ID=6766;