Brittle stars like this one have radial symmetry, like jellyfish, but their movements are unusual for this group—instead of bobbing up and down, a brittle star propels itself forward with its limbs. . . . #science #animals #starfish #sea #ocean #life #oceanlife #underthesea #underwater #fish #sealife #oceanography #sciencerules #animalsofinstagram #nat #nature #patterns #naturepatterns #photography #animalphotography #cute #symmetry