Examples from the Web for raia
In the Skate (Raia) the body is rhomboidal, tail without spine, but two small dorsals near the top.The Ocean World:|Louis Figuier
Also, a flat rhomboidal fish with a rough skin; genus, Raia.The Sailor's Word-Book|William Henry Smyth
In various species belonging to the genus Raia the teeth of the male are sharp, while those of the female are blunt.
But all these transactions did nothing to improve the lot of the raia.The Birth of Yugoslavia, Volume 1|Henry Baerlein
Tectospondyli (Squatina, Raia, Trygon), in which there are several concentric rings of calcification.