The Brainless Wonders of the Sea: Starfish 🌊⭐ Starfish are some of the ocean’s most fascinating creatures. Unlike most animals, they don’t have a brain or even blood — yet they manage to live, move, and thrive in their underwater world. Instead of a heart or bloodstream, starfish use seawater to pump through their bodies, powering their movements and daily activities. To move, a starfish relies on hundreds of tiny tube feet located on the underside of its arms. By pushing seawater in and out of

How Did The Starfish Get Its Arms? | Eons • PBS

✨ Starfish Larvae: The Ocean’s Shooting Stars ✨ Before becoming the familiar five-armed sea stars we know, starfish start life as tiny larvae that look like little shooting stars drifting through the ocean. These larvae float with plankton, moving and feeding with their small extensions. As they grow, they go through several stages, eventually settling on the ocean floor. There, their bodies reorganise, arms form, and the young starfish takes on the classic shape we recognise. From drifting “sho