Rhizoprionodon taylori

(OGILBY, 1915)


Australian sharpnose shark
Classification: Elasmobranchii Carcharhiniformes Carcharhinidae

Reference of the original description
OGILBY, J.D. (1915)
On some new or little-known Australian fishes. Memoirs of the Queensland Museum, 3: 117–129, Pls. 29–30

Image of the original description
No image in first description.

Synonyms / new combinations and misspellings
Physodon taylori, Protozygaena taylori, Rhizoprionodon (Protozygaena) taylori

Types
Rhizoprionodon taylori
Holotype: QM: I.738


Description :


Citation: Rhizoprionodon taylori (OGILBY, 1915): In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 02/2019

Please send your images of "Rhizoprionodon taylori" to info@shark-references.com

Rhizoprionodon taylori (POEY, 1861), female, adult, © Daniela Waltrick
Common names
spa Cazón picudo australiano, fra \(T\) Requin aiguille réchine, eng Australian sharpnose shark, eng Sharp-nosed shark, eng Taylors shark

Short Description
Diagnostic Features: Prenarial snout 4 to 5% of total length; upper labial furrows short, 0.7 to 1.1% of total length; total count of enlarged hyomandibular pores on both sides of head just behind mouth angle usually over 16 (7 to 11 per side); teeth not serrate; total tooth rows usually 24 to 25/21 to 23. First dorsal origin over pectoral free rear tips; second dorsal origin ranges from above last fourth to sixth of anal base; pectoral anterior margin shorter than first dorsal length from origin to free rear tip; adpressed pectoral apex reaching first third of first dorsal base or ending in front of it. Posterior monospondylous precaudal centra hardly enlarged; precaudal centra less numerous than caudals, precaudals 73 to 80, total counts 135 to 149. Size small, males maturing over 40 cm total length. Colour brownish-grey above, white below, fins light-edged but not conspicuously marked.. [517]

Distribution
Western Pacific: off Papua New Guinea and northern Australia. Source: www.gbif.org

Human uses
fisheries:

Biology
Viviparous, with a yolk-sac placenta [544] and 1-10 pups after a gestation period of 11-12 months; born at ~ 25 cm TL; very rapid growth [2539]. Distinct pairing with embrace [17086]. Occurs on the continental shelf and slope (Ref. 75154).

Size / Weight / Age
69.1 cm TL (male/unsexed; (Ref. 9161)); max. reported age: 7 years (Ref. 9161)

Habitat
pelagic-oceanic; marine; depth range ? - 300 m (Ref. 75154)

Remarks
shark-references Species-ID=6122;

Parasites (arranged by Jürgen Pollerspöck)
Cestoda
  • Doliobothrium sp. [25840]
  • Otobothrium carcharidis (SHIPLEY & HORNELL, 1906) [17826]

Copepoda
  • Perissopus dentatus STEENSTRUP & LÜTKEN, 1861 [16569]
  • Pseudopandarus australis CRESSEY & SIMPFENDORFER, 1988 [16579] [25052]