Bigbelly Seahorse

Photo: Marine Explorer (Dr John Turnbull) · CC BY-NC-SA

One of the world's largest seahorse species anchors itself to sponges and algae across Yoda's rubble plain, relying on its prehensile tail rather than swimming to hold station against mild surge. Males gestate and birth live young — an unusual reproductive role reversal that has made seahorses subjects of extensive evolutionary biology research.