Starfish larvae create complex water whorls to eat and run
Peek into a tide pool along the shore and you may see a starfish clinging quietly to a rock. But that secure adulthood comes at the expense of a harrowing larval journey. Tiny starfish larvae — each smaller than a grain of rice — spend 60 days and 60 nights paddling the open ocean, feeding to accumulate the energy needed to metamorphose into the familiar star shape. […]