Sunflower Sea star (Pycnopodia Helianthoides). It is among the largest sea stars in the world and has a maximum arm span of one metre.

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Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: america, animal, archival, archive, biology, exploration, helianthoides, historical, history, invertebrate, marine, nature, ocean, pycnopodia, sea, space, star, starfish, states, sunflower, underwater, united, voyage