Robuta

https://playanimalis.com/encyclopaedia/5583 Collector Urchin (Tripneustes gratilla) — Animalis Encyclopaedia This sea urchin lives on tropical reef flats, lagoons, and seagrass habitats in the Indo-Pacific. It uses its mouthparts to scrape algae and... collector urchintripneustes gratillaanimalisencyclopaedia