Urobatis halleri

Round stingray | Haller's Round Ray
Urobatis halleri
Urobatis halleri, Machalilla, Ecuador, Photo: Graham Edgar
Urobatis halleri
Urobatis halleri, Nicaragua, Photo: Rick Stuart-Smith
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Urobatis halleri
Urobatis halleri


Tropical Eastern Pacific


Dark brown back with rounded tan patches and a scattering of white of black spots.


Max Size: 58 cm

Sea Temperature Range: 23.3-30.1°C

Depth: 0-91m

Habitat Generalization Index: 2.31

Also referred to as the SGI (Species Generalisation Index), this describes the habitat niche breadth of the species. Species with values less than 15 are found in a relatively narrow range of reef habitat types (specialists), while those over 25 may be found on most hard substrates within their range (generalists). Learn more here.

Conservation and Rarity

IUCN Status: Least Concern

Occurrence: Frequent (18.6% of sites)

Occurrence describes how often the species is found on surveys within its distribution. It is calculated as the % of reef sites surveyed by RLS divers across all the ecoregions in which the species has been observed

Abundance: Few (2 per transect)

Abundance is calculated as the average number of individuals recorded per RLS transect, where present.

Edit by: Joe Shields