Acroteriobatus annulatus

MÜLLER & HENLE, 1841


Lesser sandshark
Classification: Elasmobranchii Rhinopristiformes Rhinobatidae

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

Rhinobatos annulatus MÜLLER & HENLE, 1841 (in Smith, 1838), valid as Acroteriobatus annulatus MÜLLER & HENLE, 1841

Synonyms / new combinations and misspellings
Rhinobatos annulatus, Rhinobatos (Acroteriobatus) annulatus, Rhinobatus annulatus, Rhinobatus (Syrrhina) annulatus

Types
Acroteriobatus annulatus

Rhinobatos annulatus
Syntype: BMNH: 1843.2.29.22 MNHN: A-8586;


Description :


Citation: Acroteriobatus annulatus MÜLLER & HENLE, 1841: In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 05/2017

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Common names
deu \(T\) Geigenrochen, spa Guitarra del Cabo, fra \(T\) Poisson-guitare du Cap, eng Guitarfish, eng Lesser guitarfish, eng Lesser sandshark, eng Sandshark

Short Description
A guitarfish with a broad, wedge-shaped snout and pectoral disc [536]. Tan to dark brown above, white below [536]. Typical Cape color variant with numerous small eyespots (dark brown spot ringed with white and a brown margin) on back; Natal color variants with simple large dark spots [536].

Distribution
Southeast Atlantic: Namibia to central Natal, South Africa. Record from Madagascar is uncertain (Ref. 3919). Source: www.gbif.org

Human uses
fisheries: commercial; gamefish: yes

Biology
Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures [733]. 2-10 young born in the summer [536].

Size / Weight / Age
140 cm TL (male/unsexed; (Ref. 3919))

Habitat
demersal; brackish; marine; depth range ? - 73 m (Ref. 3919)

Parasites (arranged by Jürgen Pollerspöck)
Ciliophora
  • Trichodina rhinobatae VAN AS & BASSON, 1996 [21370]

Monogenea
  • Neoheterocotyle robii VAUGHAN & CHISHOLM, 2010 [12252]
  • Pseudoleptobothrium christisoni VAUGHAN & CHISHOLM, 2011 [13675]

Cestoda
  • Echinobothrium dougbermani CAIRA, PICKERING, SCHULMAN & HANESSIAN, 2013 [18038] [19536]
  • Echinobothrium sp. [19536]

Isopoda
  • Gnathia pantherina SMIT & BASSON, 2002 [9746]