Anthozoans

Anthozoa

• Hexacorallia
• Elkhorn coral Acropora palmata

  

  These branching structures belong to an animal, not a plant. Elkhorn coral grows in shallow Caribbean waters; thickets shelter fish and other creatures.

• Rough-skinned Sea Anemone Actinostola callosa

  

  A seafloor anemone. A study off eastern Canada found a diverse range of small food items in its digestive cavity.

• Venus flytrap sea anemone Actinoscyphia aurelia

  

  A deep-sea anemone observed on sandy and muddy seafloors during a Gulf of Alaska survey.