| Calliactis | |
|---|---|
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| Hermit crab (Dardanus pedunculatus) with Calliactis species attached to its shell. | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Cnidaria |
| Class: | Hexacorallia |
| Order: | Actiniaria |
| Family: | Hormathiidae |
| Genus: | Calliactis Verrill, 1869 |
| Species | |
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See text | |
| Synonyms | |
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Calliactis is a genus of sea anemones. Species in this genus are mutually symbiotic with hermit crabs. The anemone gets a place to live and discarded scraps of the crab's food in exchange for its help in defending the crab.[1]
- ^ Gusmão LC, Daly M (September 2010). "Evolution of sea anemones (Cnidaria: Actiniaria: Hormathiidae) symbiotic with hermit crabs". Molecular Phylogenetics and Evolution. 56 (3): 868–77. doi:10.1016/j.ympev.2010.05.001. PMID 20457262.