- The sea snail Halystina umberlee (pictured) was named after the homonymous fictional evil goddess from the Forgotten Realms role-playing game setting.
- The Guanacaste Conservation Area, located in Northwest Costa Rica, is a 163,000-hectare (400,000-acre) expanse of protected land and sea.
- The pea crab Tunicotheres moseri lives inside the water-filled chamber of a sea squirt.