Stalked or Solitary hydroid (Tubularia raphi). Hydroids have a circle of stinging tentacles surrounding their mouths.

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This species can be found either alone or in groups. The mouth is in the centre of the head, surrounded by pink polyps. The long, hair-like stinging tentacles catch food as it drifts by.

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Size: 3872px × 2592px
Location: Split Solitary Island, New South Wales, Australia
Photo credit: © Becca Saunders / Auscape / Alamy / Afripics
License: Licensed
Model Released: No

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