Urobatis concentricus


Spot-on-spot round ray
Classification: Elasmobranchii Myliobatiformes Urotrygonidae

Reference of the original description
OSBURN, R.C. & NICHOLS, J.T. (1916)
Shore fishes collected by the "Albatross" expedition in Lower California, with descriptions of new species. Bulletin of the American Museum of Natural History, 35 (16): 139–181

Image of the original description

Urobatis concentricus OSBURN & NICHOLS, 1916

Synonyms / new combinations and misspellings
Urolophus concentricus

Urobatis concentricus
Holotype: USNM: 87539 (old: AMNH 5199) Paratype: AMNH: 11802; AMNH: 11801;

Description :

Citation: Urobatis concentricus OSBURN & NICHOLS, 1916: In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 08/2019

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Urobatis concentricus OSBURN & NICHOLS, 1916, © Nicolas Ehemann, Centro Interdisciplinario de Ciencias Marinas, Mexico
Common names
spa Raya redonda de arrecife, spa Raya redonda de manchas, fra \(T\) Raie ronde concentrique, eng Bull"s-eye stingray, eng Reef stingray, eng Spot-on-spot round ray

Eastern Central Pacific: Gulf of California and scattered localities of Mexico. Source: www.gbif.org

Found in bays, lagoons and estuaries; also on sandy bottoms near reefs. Feeds on small crabs and worms.

Size / Weight / Age
44.2 - 58.4 cm TL [# 25645]

demersal; marine; depth range 1 - ? m, usually 1 - 35 m (Ref. 9265)

The upper jaw teeth had 29 rows, which is consistent with previous reports (McEachran & Notarbartolo di Sciara, 1995; DelMoral-Flores et al., 2015a). All teeth were similar in size and shape, having an oval base and pointed cusp. [# 25645]

shark-references Species-ID=7395;

Parasites (arranged by Jürgen Pollerspöck)