Urobatis concentricus

Osburn & Nichols, 1916

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 07/2024

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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)