Sixgill stingray
Hexatrygon bickelli
| Length | Disc width to at least 1 ft |
| Description | Purplish-brown dorsally, white with dusky margins ventrally; underside of tail dark; long pointed snout, shape may be variable |
| Food | Uncertain |
| Habitat | Soft bottom areas in deep water, to depths of at least 3,200 ft |
| Reproduction | Uncertain; litter size apparently 4; size at maturity uncertain |
