Row Stone Samegawa
| Species Name | Common Name | Location | CITES |
| Dasyatis annolatus | Row Stone Stingray | China, Indonesia | No |
Valued far and wide for the beautiful spine of nodes down the middle, this particular stingray has been used in ancient nihonto tsuka. Long, about 32 in or more, and 6 to 8 inches wide at the largest points.
