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actinian

NOUN
  1. any sea anemone or related animal

How To Use actinian In A Sentence

  • Even on reefs, most species of host actinians are inconspicuous, unlike their partner fish.
  • It has been seen that varying temperatures have a dramatic effect on the growth rates of some actinians.
  • Chaetodon capistratus is a browser who feeds on anthozoans preferring hexacoral such as scleractinians, anemones, and zoantharians.
  • However, actinians, like all coelenterates, capture and digest animal prey with their nematocysts.
  • In any case, most if not all Triassic scleractinians, whether zooxanthellate or not, show skeletal construction different from modern (strictly post-Cretaceous) equivalents.
  • The larger, more conspicuous include other species of cold-water coral, actinians and sponges.
  • Since the beginning of the Cenozoic, reefs have become dominated by scleractinian corals and calcareous algae.
  • Cold-water coral mound dominated by Lophelia pertusa and colonised by orange actinians and a white anthipathrian.
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