The
deepwater stingray or
giant stingaree (
Plesiobatis daviesi) is a
species of
stingray and the sole member of the
family Plesiobatidae. It is widely distributed in the
Indo-Pacific, typically over fine
sediments on the upper
continental slope at depths of . This species reaches in length and in width. It has an oval
pectoral fin disc with a long, flexible, broad-angled snout. Most of the entire latter half of its tail supports a distinctively long, slender, leaf-shaped
caudal fin. Its coloration is dark above and white below, and its skin is almost completely covered by tiny
dermal denticles.