Protoreaster
Protoreaster is a genus of sea stars in the family Oreasteridae from the Indo-Pacific. They are sometimes seen in the marine aquarium trade.
Species
The following species are in the genus:| Image | Scientific name | Common name | Distribution |
| Protoreaster linckii | Red-knobbed starfish | Indian Ocean | |
| Protoreaster nodosus | Chocolate chip sea star | Indian Ocean and western Pacific ocean | |
| Protoreaster nodulosus | Knobbly seastar | North Western Australia |