Heteractis magnifica

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Heteractis magnifica
Amphiprion perideraion (Pink anemonefish) in Heteractis magnifica (Magnificent sea anemone).jpg
Heteractis magnifica with Amphiprion perideraion
Scientific classification
Kingdom: Animalia
Phylum: Cnidaria
Class: Anthozoa
Order: Actiniaria
Family: Stichodactylidae
Genus: Heteractis
Species: H. magnifica
Binomial name
Heteractis magnifica
(Quoy & Gaimard, 1833)

Heteractis magnifica, also known by the common names magnificent sea anemone or Ritteri anemone, is a species of sea anemone found in the Indo-Pacific area; it can grow up to 1 m (3 ft) in diameter in the wild. It can be kept in aquaria, but is considered one of the most challenging species to keep healthy. H. magnifica consumes both vertebrates and invertebrates, including fish and crustaceans.

Ocellaris clownfish nestled in H. magnifica
H. magnifica with a pair of Maldives anemonefish and juvenile threespot dascyllus

It is often found in association with anemonefish, or clownfish, such as the cinnamon clownfish (Amphiprion melanopus), Clark's anemonefish (A. clarkii), common clownfish (A. ocellaris), black-finned anemonefish (A. nigripes), true clownfish (A. percula), and the pink skunk clownfish (A. perideraion). Juvenile threespot dascyllus fish (Dascyllus trimaculatus) also commonly associate with this sea anemone.

H. magnifica with Dascyllus trimaculatus

H. magnifica was featured in the Pixar Animations film Finding Nemo.