Loxodon macrorhinus

MÜLLER & HENLE, 1839


Sliteye shark
Classification: Elasmobranchii Carcharhiniformes Carcharhinidae

Reference of the original description
MÜLLER, J. & HENLE, F.G.J. (1841)
Systematische Beschreibung der Plagiostomen. Berlin, Veit, pp. 1–200

Image of the original description

Loxodon macrorhinus MÜLLER & HENLE, 1839

Synonyms / new combinations and misspellings
Carcharhinus macrorhinus, Carcharhinus (Scoliodon) dumerili, Carcharias dumerilii, Carcharias (Scoliodon) dumerilii, Loxodon cf. macrorhinus, Loxodon macroorhinus, Scoliodon affinis, Scoliodon ceylonensis, Scoliodon dumerili, Scoliodon dumerilii, Scoliodon jordani

Types
Loxodon macrorhinus
Holotype: ZMB: 4479
Carcharias (Scoliodon) dumerilii
Holotype: RMNH: 7371 or BMNH 1867.11.28.174
Scoliodon affinis
Holotype: QM: I.1526;
Scoliodon jordani
Holotype: AFAQ: 664 (apparently destroyed, not at QM)


Description :


Citation: Loxodon macrorhinus MÜLLER & HENLE, 1839: In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 07/2019

Please send your images of "Loxodon macrorhinus" to info@shark-references.com

Loxodon macrorhinus MÜLLER & HENLE, 1839, © Randall, J.E., www.fish-base.org
Common names
spa Tiburón ojuelo, fra \(T\) Requin bondeur, fra \(T\) Requin sagrin, eng Jordan"s blue dogshark, eng Jordans blue dogshark, eng Slender dogshark, eng Slit-eye shark, eng Sliteye shark, por Marracho agudo

Short Description
A small, very slim shark with a long, narrow snout, big eyes with rear notches, short labial furrows, and small, oblique-cusped teeth with smooth edges; 2nd dorsal fin small, low and behind larger anal fin; interdorsal ridge rudimentary or absent [536]. Grey above, pale below, fins with pale edges (transparent in life), caudal and first dorsal fins with narrow dark margin, first dorsal fin also with a dusky tip [544].

Diet: 2015: [22757]: Arabian Gulf waters of the United Arab Emirates (database: 53 speciemens): L. macrorhinus seemed to have a preference for one species in terms of teleosts (anchovies) (35.1%) and fed on a wider variety of crustaceans and cephalopods (22.6%).

Distribution
Indo-West Pacific: Red Sea and East Africa to Indonesia, north to Japan, south to Australia. Source: www.gbif.org

Human uses
fisheries: commercial; gamefish: yes

Biology
Viviparous, with a yolk-sac placenta; 2-4 pups per litter. Size at birth 40-43 cm; 54-55 cm TL [2539]. Distinct pairing with embrace [17086]. Occurs on the continental shelf (Ref. 75154). Feeds on fish, squids and shrimps [536].

Size / Weight / Age
98.0 cm TL (male/unsexed; [2539])

Habitat
demersal; marine; depth range 7 - 100 m [1388]

Dentition
Teeth in 11-1-11/11-1-11 series, those of the upper jaw oblique, with the inner edge slightly angulated mesially, those of the lower linear and nearly horizontal (described from Scoliodon affinis = synonym of Loxodon macrorhinus, holotype QM I.1526) [11847];

Remarks
shark-references Species-ID=3566;

Parasites (arranged by Jürgen Pollerspöck)
Cestoda
  • Ancipirhynchus afossalis SCHAEFFNER, GASSER & BEVERIDGE, 2011 [13664] [21816]