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Etmopterus fusus
Last, Burgess & Séret, 2002
Pygmy lanternshark
Classification: Elasmobranchii Squaliformes Etmopteridae
Reference of the original description
Description of six new species of lantern-sharks of the genus Etmopterus (Squaloidea: Etmopteridae) from the Australasian region. Cybium, 26(3), 202–223
Description of six new species of lantern-sharks of the genus Etmopterus (Squaloidea: Etmopteridae) from the Australasian region. Cybium, 26(3), 202–223
Image of the original description
Image in copyright.
Image in copyright.
Types
Etmopterus fusus
Holotype: CSIRO: H 3149-06; Paratype: CSIRO: H 3158-15 ; CSIRO: H 3149-07 ; CSIRO: H 1621-02; CSIRO: H 1621-01; CSIRO: H 3149-05 ; MNHN: 2002-0086 (old: CSIRO H 3158-14);
Etmopterus fusus
Holotype: CSIRO: H 3149-06; Paratype: CSIRO: H 3158-15 ; CSIRO: H 3149-07 ; CSIRO: H 1621-02; CSIRO: H 1621-01; CSIRO: H 3149-05 ; MNHN: 2002-0086 (old: CSIRO H 3158-14);
Description :
Citation: Etmopterus fusus Last, Burgess & Séret, 2002: In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 12/2024
Please send your images of "Etmopterus fusus" to info@shark-references.com
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Etmopterus fusus Last, Burgess & Séret, 2002 (MNHN 2686, BPS-0498) © Samuel P. Iglésias, Muséum national d’Histoire naturelle, Département Milieux et Peuplements Aquatiques Chondrichthyans from the North-eastern Atlantic and the Mediterranean
Etmopterus fusus Last, Burgess & Séret, 2002 (MNHN 2686, BPS-0498) © Samuel P. Iglésias, Muséum national d’Histoire naturelle, Département Milieux et Peuplements Aquatiques Chondrichthyans from the North-eastern Atlantic and the Mediterranean
Common names
Pygmy lanternshark
Pygmy lanternshark
Short Description
Body firm fusiform, almost cylindrical. Dorsal and ventral surfaces dark; pectoral fin pale distally. Head relatively long (> 21% TL). Mouth moderate, subequal to eye length. Upper eyelid with pale naked patch. Caudal peduncle rather elongate, ca 2-2.6 times greatest horizontal length of D1 including spine about a 5th of TL. Upper teeth of mature males with 7 cusps. Denticles short, robust, arranged in regular rows. Posterior branch of flank marking truncate and merging ventrally with post-pelvic marking. Anterior part of caudal base marking very broad, enveloping ventral surface and extending onto flanks; presence of oval central caudal marking; upper caudal marking comma-shaped. Monospondylous centra 36-38 (Ref. 45056).
Body firm fusiform, almost cylindrical. Dorsal and ventral surfaces dark; pectoral fin pale distally. Head relatively long (> 21% TL). Mouth moderate, subequal to eye length. Upper eyelid with pale naked patch. Caudal peduncle rather elongate, ca 2-2.6 times greatest horizontal length of D1 including spine about a 5th of TL. Upper teeth of mature males with 7 cusps. Denticles short, robust, arranged in regular rows. Posterior branch of flank marking truncate and merging ventrally with post-pelvic marking. Anterior part of caudal base marking very broad, enveloping ventral surface and extending onto flanks; presence of oval central caudal marking; upper caudal marking comma-shaped. Monospondylous centra 36-38 (Ref. 45056).
Distribution
Eastern Indian Ocean: northern Western Australia and possibly Java, Indonesia.
Eastern Indian Ocean: northern Western Australia and possibly Java, Indonesia.
Dentition
Diagnosis: Upper teeth of mature males with 7 cusps; Description: three series of functional teeth in upper jaw, one series in lower; teeth dissimilar in upper and lower jaws; upper teeth small, erect, multicuspid; seven cusps in males, central cusp very long, slender, next adjacent middle pairs two-thirds length of central cusp, lateral pair about half length of middle pair; five cusps in females, middle pair about two-thirds length of central cusp, lateral pair about half length of middle pair, lateral cusps relatively longer toward corner of mouth; teeth in lower jaw unicuspid, interlocking, blade-like, cusps low, very oblique, lower distal margin extremely short [1384];
Diagnosis: Upper teeth of mature males with 7 cusps; Description: three series of functional teeth in upper jaw, one series in lower; teeth dissimilar in upper and lower jaws; upper teeth small, erect, multicuspid; seven cusps in males, central cusp very long, slender, next adjacent middle pairs two-thirds length of central cusp, lateral pair about half length of middle pair; five cusps in females, middle pair about two-thirds length of central cusp, lateral pair about half length of middle pair, lateral cusps relatively longer toward corner of mouth; teeth in lower jaw unicuspid, interlocking, blade-like, cusps low, very oblique, lower distal margin extremely short [1384];
Remarks
shark-references Species-ID=2172;
shark-references Species-ID=2172;
