Rockpool Rodeo on Instagram: "Wondering what these little alien suckers might be? 👽 They are TUBE FEET 👣 the secret to movement for most ECHINODERMS ⭐️ Echinoderms include some of my most commonly featured critters - sea stars, sand dollars, sea cucumbers and sea urchins. Most of our echinoderms have tube feet, which look a bit like the suckers of an octopus but have many different functions: 🚗 Locomotion 🚗 Like little suction cups, echinoderms can sucker their way along hard surfaces and sa

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