Pelagic stingray
Pteroplatytrygon violacea
| Length | Disc width up to 2.6 ft |
| Description | Dark brown to black dorsally and ventrally |
| Food | Eats squid, crustaceans, bony fishes |
| Habitat | Pelagic waters from near the surface by night to depths of 300 to 600 ft or more by day |
| Reproduction | Aplacental vivipary, embryos feed on uterine milk after using up yolk sac; litter size possibly 4-7; size at maturity 1.1 ft disc width for males, 1.3 ft for females |