Genus
Common name: Cushion Starfish
Scientific name: Pentaceraster
Pentaceraster is a genus of sea stars commonly known as Cushion Starfish, found in tropical regions. These starfish are known for their thick, cushion-like bodies and usually five broad arms. They exhibit a variety of colors and patterns, making them visually appealing in reef aquariums. Hobbyists appreciate them for their scavenging abilities, as they consume detritus and uneaten food, helping to maintain tank cleanliness. However, they should be monitored as they can sometimes harm small invertebrates or disturb the substrate.