GEORGETTE DOUWMA / SCIENCE PHOTO LIBRARY GEORGETTE DOUWMA / SCIENCE PHOTO LIBRARY
Indian fanworm (Sabellastarte indica). Close-up of the head of an Indian fanworm, showing its tentacles. Fanworms are sessile predatory marine worms that use their tentacled heads to catch passing prey. Photographed in the Lembeh Strait, North Sulawesi, Indonesia.
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