Constantinos Petrinos / Jellyfish carry crab (Ethusa sp.) carrying Upside-down Jellyfish (Cassiopeia andromeda). Lembeh Strait, North Sulawesi, Indonesia.
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Alex Mustard / Jellyfish carry crab (Ethusa sp) carrying an upside down jellyfish (Cassiopeia andromeda) at night. Komodo Island, Komodo National Park, Indonesia. Flores Sea.
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GEORGETTE DOUWMA / Hydroid / Fairy crab (Hyastenus bipinosus) on Sea pen (Pteroides sp.) where it has climbed to feed on plankton floating past. It has decorated its body with hydroid polyps, Indonesia