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 12/2018

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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;