Hypanus say

Common Name

Bluntnose Stingray

Year Described

Lesueur, 1817

Identification

A short-snouted species of Dasyatis with a broad rhomboidal disk. Eyes and spiracle large. Tips of pectoral fins subangular (not rounded). Pre-orbital length about equal to distance between the spiracles, with slightly convex margins of snout, giving the species a blunt-nosed appearance. The dorsal surface has a line of medial and two scapular series of denticles. Median denticles do not reach the caudal spine. Ventral finflap larger and taller than dorsal. Tail long and whip-like with spine close to tail base. Pelvic fins protrude beyond pectorals.

Color

Dorsum medium to dark brown overall. Underside pale with dark gray fin margins in some specimens.

Size

Maximum size to 100cm DW.

Habitat

Shallow coastal waters (<10m).

Range

New Jersey to the southern Caribbean Sea. Found around the Caribbean islands but rare or absent from the continental waters south of Florida.

References

Last, P. R., Naylor, G. J. P., & Manjaji-Matsumoto, B. M. 2016. A revised classification of the family Dasyatidae (Chondrichthyes: Myliobatiformes) based on new morphological and molecular insights. Zootaxa, 4139 (3): 345-368.

Santos, H.R.S. and M.R. de Carvalho. 2004. Description of a new species of whiptailed stingray from the southwestern Atlantic Ocean (Chondrichthyes, Myliobatiformes, Dasyatidae). Boletim do Museu Nacional do Rio de Janeiro, Nova Série. Zoologia No. 516: 1-24.

Other Notes

Records from Brazil refer to Hypanus hypostigma.

Moved from Dasyatis to Hypanus based on morpological and molecular data (Last et al., 2016).