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Squalus nasutus
Last, Marshall & White, 2007
Western longnose spurdog
Classification: Elasmobranchii Squaliformes Squalidae
Reference of the original description
Part 8 - Squalus nasutus sp. nov, a new long-snouted spurdog of the S. japonicus group from the Indian Ocean. CSIRO Marine and Atmospheric Research Paper, 14, 83–90
Part 8 - Squalus nasutus sp. nov, a new long-snouted spurdog of the S. japonicus group from the Indian Ocean. CSIRO Marine and Atmospheric Research Paper, 14, 83–90
Image of the original description
Lateral view of: A. Squalus nasutus sp. nov. holotype (CSIRO H 2590–12, female 508 mm TL); In: Last, P.R. & MARSHALL, L.J. & White, W.T. 2007 Part 8 - Squalus nasutus sp. nov, a new long-snouted spurdog of the S. japonicus group from the Indian Ocean. CSIRO Marine and Atmospheric Research Paper, 14: 83-90
Lateral view of: A. Squalus nasutus sp. nov. holotype (CSIRO H 2590–12, female 508 mm TL); In: Last, P.R. & MARSHALL, L.J. & White, W.T. 2007 Part 8 - Squalus nasutus sp. nov, a new long-snouted spurdog of the S. japonicus group from the Indian Ocean. CSIRO Marine and Atmospheric Research Paper, 14: 83-90
Synonyms / new combinations and misspellings
Squalus cf. nasutus
Squalus cf. nasutus
Types
Squalus nasutus
Holotype: CSIRO: H 2590-12; Paratype: CSIRO: H 2032-01; CSIRO: H 1694-01; CSIRO: H 1693-02; CSIRO: H 1693-01; CSIRO: H 2898-07; CSIRO: CA 4055; CSIRO: CA 3290; CSIRO: H 1207-08; CSIRO: H 1652-02; CSIRO: H 1207-07; CSIRO: H 1652-01; CSIRO: H 2608-15; CSIRO: H 2032-02; CSIRO: CA 4110; CSIRO: H 2567-08; CSIRO: H 2598-07; WAM: P 28086-006 (2 specimens);
Squalus nasutus
Holotype: CSIRO: H 2590-12; Paratype: CSIRO: H 2032-01; CSIRO: H 1694-01; CSIRO: H 1693-02; CSIRO: H 1693-01; CSIRO: H 2898-07; CSIRO: CA 4055; CSIRO: CA 3290; CSIRO: H 1207-08; CSIRO: H 1652-02; CSIRO: H 1207-07; CSIRO: H 1652-01; CSIRO: H 2608-15; CSIRO: H 2032-02; CSIRO: CA 4110; CSIRO: H 2567-08; CSIRO: H 2598-07; WAM: P 28086-006 (2 specimens);
Description :
Citation: Squalus nasutus Last, Marshall & White, 2007: In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 04/2024
Please send your images of "Squalus nasutus" to info@shark-references.com
Ventral view of the head of A. Squalus nasutus sp. nov. holotype (CSIRO H 2590–12, female 508 mm TL); In: Last, P.R. & MARSHALL, L.J. & White, W.T. 2007 Part 8 - Squalus nasutus sp. nov, a new long-snouted spurdog of the S. japonicus group from the Indian Ocean. CSIRO Marine and Atmospheric Research Paper, 14: 83-90
Ventral view of the head of A. Squalus nasutus sp. nov. holotype (CSIRO H 2590–12, female 508 mm TL); In: Last, P.R. & MARSHALL, L.J. & White, W.T. 2007 Part 8 - Squalus nasutus sp. nov, a new long-snouted spurdog of the S. japonicus group from the Indian Ocean. CSIRO Marine and Atmospheric Research Paper, 14: 83-90
Common names
Western longnose spurdog
Western longnose spurdog
Short Description
This small species of the "japonicus group" has the following set of characters: very elongate body, depth 9.4-11.4% TL; narrow and long snout, preoral length 1.85-2.01 times its horizontal prenarial length, 11.1-11.7% TL; large eyes, 4.3-5.1% TL; secondary lobe of anterior nasal flap is well developed; small, raked dorsal fins; first dorsal-fin spine short, weak; second dorsal-fin spine short with strong base; pectoral fin of adult not falcate; pectoral-fin inner margin is short, 6.6-7.1% TL; caudal bar almost upright, short, broad, extending from the caudal fork to the posterior margin of the upper lobe for 0.4-0.5 of its length, upper caudal blotch is somewhat linear, and is located near the dorsal margin of fin lobe; flank denticles weakly tricuspidate; monospondylous centra 36-39, precaudal centra 78-81, total centra 103-109 [3334].
This small species of the "japonicus group" has the following set of characters: very elongate body, depth 9.4-11.4% TL; narrow and long snout, preoral length 1.85-2.01 times its horizontal prenarial length, 11.1-11.7% TL; large eyes, 4.3-5.1% TL; secondary lobe of anterior nasal flap is well developed; small, raked dorsal fins; first dorsal-fin spine short, weak; second dorsal-fin spine short with strong base; pectoral fin of adult not falcate; pectoral-fin inner margin is short, 6.6-7.1% TL; caudal bar almost upright, short, broad, extending from the caudal fork to the posterior margin of the upper lobe for 0.4-0.5 of its length, upper caudal blotch is somewhat linear, and is located near the dorsal margin of fin lobe; flank denticles weakly tricuspidate; monospondylous centra 36-39, precaudal centra 78-81, total centra 103-109 [3334].
Distribution
Eastern Indian Ocean: Western Australia. Probably extending to Westerm Pacific, the Philippines and Indonesia. Source: www.gbif.org
Eastern Indian Ocean: Western Australia. Probably extending to Westerm Pacific, the Philippines and Indonesia. Source: www.gbif.org
Remarks
shark-references Species-ID=6802;
shark-references Species-ID=6802;
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