Bartholomea is a genus of sea anemones and related to the hated Aiptasia. There are only a handful of species, the only one of aquaristic importance here is Batholomea annulata, which comes into the trade from time to time. It is a species from the Caribbean, which occurs on sand and rubble areas and hides in crevices or under larger boulders, sometimes e.g. in the shells of the giant fencer snail (Aliger/Lobatus gigas). The up to 200 tentacles grow up to 30 cm long and are transparently ringed. They possess zooxanthellae and can therefore feed on light. They often live in symbiosis with anemone or cleaner shrimp like Periclimenes yucatanicus or Ancylomenes pedersoni.

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