Calliactis

Calliactis
Hermit crab (Dardanus pedunculatus) with Calliactis species attached to its shell.
Scientific classification
Kingdom:	Animalia
Phylum:	Cnidaria
Class:	Anthozoa
Order:	Actiniaria
Family:	Hormathiidae
Genus:	Calliactis Verrill, 1869
Species
See text.

Calliactis parasitica on the hermit crab Dardanus calidus

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.

Species

Species within the genus include:

• Calliactis algoaensis
• Calliactis androgyna
• Calliactis annulata
• Calliactis argentacoloratus
• Calliactis brevicornis
• Calliactis conchicola
• Calliactis japonica
• Calliactis parasitica
• Calliactis polypores
• Calliactis polypus
• Calliactis reticulata
• Calliactis sinensis
• Calliactis tricolor
• Calliactis valdiviae
• Calliactis variegata
• Calliactis vincentina
• Calliactis xishaensis

References

• http://www.gsmfc.org/seamap/picture_guide/Other/calliactis.pdf
• http://www.marlin.ac.uk/species/Calpar.htm
• http://www.habitas.org.uk/marinelife/species.asp?item=D112870
• http://ourworld.compuserve.com/homepages/BMLSS/crustace.htm
• "Calliactis". Integrated Taxonomic Information System.