Learn how starfish got their shape after a complicated evolutionary process, starting with an ancestor that lived 500 million ...

This seems to have solved the mystery of how the starfish got its arms. But it doesn’t necessarily answer the ‘why’. Imran ...

Astonishingly, the ocean teems with brainless creatures that thrive using instinct and nerve networks. Jellyfish, sea sponges, starfish, sea cucumbers ...

Sea cucumbers spend their lives prowling the ocean floor, scavenging for food and generally minding their own business. We ...

Sea cucumber removal increased tissue mortality of Acropora pulchra by ~370% and colony mortality by ~1500%." In other words, we really can't understate the importance of sea cucumbers in the web ...

Sea cucumbers are in the phylum Echinodermata with sea stars, sea urchins and brittle stars. All echinoderms start with spiny skin (thus the Latin name echinoderm, which means hedgehog-like).