Atlantic Black Seahare

| Name: | Atlantic Black Seahare |
| Scientific Name: | Aplysia morio |
| Family: | Seahares |
| Taxonomic: | Aplysiidae |
| ID Group: | Nudibranchs, Sea Slugs, Sea Hares |
| Size: | up to 14 in. |
| Depth Range: | In shallow waters (0 – 15 ft.) |
| Sightings: | Seen very rarely |
The Atlantic Black Seahare has a large, soft body that is dark maroon to black. It may have faint spots or streaks. It has broad flaps on its back that can open and close like wings.
This Seahare lives in algae covered areas. It can swim by flapping its body flaps and often moves away quickly when disturbed. When threatened, it can release a purple cloud.