Urogymnus asperrimus

(BLOCH & SCHNEIDER, 1801)


Porcupine ray
Classification: Elasmobranchii Myliobatiformes Dasyatidae

Reference of the original description
BLOCH, M.E. & SCHNEIDER, J.G. (1801)
M.E. Blochii Systema Ichthyologiae iconibus ex illustratum. Post obitum auctoris opus inchoatum absolvit, correxit, interpolavit. J.G. Schneider, Saxo: 584 p., 110 pl.

Image of the original description
No image in first description.

Synonyms / new combinations and misspellings
Anacanthus africanus, Anacanthus asperrimus, Raja africana*, Raja asperrima, Rhachinotus africanus, Urogymnus africana, Urogymnus africanus, Urogymnus aperrimus, Urogymnus asperatus, Urogymnus asperrimus solanderi, Urogymnus rhombeus

Types
Urogymnus asperrimus
Holotype: ZMB: 7836
Raja africana*

Urogymnus asperrimus solanderi
Holotype: QM: I.1112 QM: I.1113 QM: I.1114
Urogymnus rhombeus
Syntype: SMNS: 1630; ZMB: 10864


Description :


Citation: Urogymnus asperrimus (BLOCH & SCHNEIDER, 1801): In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 09/2017

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Urogymnus asperrimus (BLOCH & SCHNEIDER, 1801), © Randall, J.E., www.fish-base.org
Common names
spa Raya africana, fra \(T\) Pastenague sans dard, eng Black spotted ray, eng Porcupine ray, eng Porcupineray, eng Rough-skinned ray, eng Roughskin stingaree, eng Solanders ray, eng Thorny ray, eng Thorny-ray, por Raia pungente africana

Short Description
A heavily armored stingray lacking a venomous barb; young with large, flat denticles on upper surface, and large juveniles and adults with additional sharp conical thorns and small, pointed denticles [536]. Very thick elongated disc with broadly rounded outer corners; snout broadly rounded and tail slender, about as long as body and without finfolds [536]. Light grey or whitish dorsally, white ventrally; tail blackish [536].

Distribution
Indo-Pacific: Red Sea and coast of East Africa to the Marshall Islands and Fiji, south to northern Australia [17644]. Eastern Atlantic: Senegal, Guinea, and Côte d"quot;Ivoire (Ref. 4438). Source: www.gbif.org

Human uses
fisheries: commercial

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]. Distinct pairing with embrace [17086]. Distinct pairing with embrace [17086].

Size / Weight / Age
147 cm WD (male/unsexed; [2539])

Habitat
reef-associated; brackish; marine

Parasites (arranged by Jürgen Pollerspöck)
Monogenea
  • Dendromonocotyle pipinna CHISHOLM & WHITTINGTON, 2004 [7386]
  • Dendromonocotyle urogymni CHISHOLM & WHITTINGTON, 2009 [8717]
  • Neoentobdella baggioi WHITTINGTON & KEARN, 2009 [9458]

Cestoda
  • Acanthobothrium coronatum (RUDOLPHI, 1819) VAN BENEDEN, 1850 [16448]
  • Acanthobothrium urogymni (HORNELL, 1912) BAER & EUZET, 1962 [16175]
  • Phyllobothrium lintoni (SOUTHWELL, 1912) [16443]
  • Phyllobothrium pammicrum SHIPLEY & HORNELL, 1906 [16443]
  • Pillersium owenium SOUTHWELL, 1927 [16410]
  • Prochristianella butlerae BEVERIDGE, 1990 [17404]
  • Rhinebothrium devaneyi BROOKS & DEARDORFF, 1988 [7609]
  • Tetragonocephalum sp. [23959]

Nematoda
Hirudinea
  • Pterobdella amara KABURAKI, 1921 [14676]