| Acanthaster planci - crown-of-thorns seastar | ![]() |
| Description: 10-16 arm star covered with long, sharp spines | |
| Size: up to 35 cm diameter | |
| Habitat: on coral reefs. |
| Culcita novaeguineae - cushion seastar . | ![]() |
| Description: large, plump cushion-like star; often bright red or mottled reddish-brown. | |
| Size: up to 25 cm diameter | |
| Habitat: on coral in shallow areas |
| Linckia multifora - pink seastar | ![]() |
| Description: 3-5 long, slender armed, mottled star; often yellowish to reddish-brown; arms often of irregular length | |
| Size: up to 15 cm diameter | |
| Habitat: shallow areas |