Actinia

Actinia is a genus of sea anemones in the family Actiniidae. Actinia display a rare form of heteromorphosis in which a cut inflicted on a specimen can develop into a second mouth.

Species
The following species are listed in the World Register of Marine Species (WoRMS):


 * Actinia alba Risso, 1826
 * Actinia annulata Gay, 1854
 * Actinia aster Ellis, 1768
 * Actinia australiensis Carlgren, 1950
 * Actinia bermudensis (McMurrich, 1889)
 * Actinia bicornis Müller, 1776
 * Actinia capillata Gay, 1854
 * Actinia cari Delle Chiaje, 1822
 * Actinia chlorodactyla Brandt, 1835
 * Actinia cinerea Gay, 1854
 * Actinia cleopatrae Hemprich & Ehrenberg, 1834
 * Actinia curta Drayton in Dana, 1846
 * Actinia delicatula (Hertwig, 1888)
 * Actinia dubia Lesson, 1830
 * Actinia ebhayiensis Schama, Mitchell & Solé-Cava, 2011
 * Actinia equina Linnaeus, 1758
 * Actinia erythrospilota Brandt, 1835
 * Actinia fiscella Müller, 1789
 * Actinia fragacea Tugwell, 1856, Strawberry anemone
 * Actinia gelatinosa Moseley, 1877
 * Actinia gemma Drayton in Dana, 1846
 * Actinia gracilis Hemprich & Ehrenberg, 1834
 * Actinia graminea Drayton in Dana, 1846
 * Actinia grobbeni Watzl, 1922
 * Actinia iris Müller, 1789
 * Actinia kraemeri Pax, 1914
 * Actinia laurentii Brandt, 1835
 * Actinia mamillaris Quoy & Gaimard, 1833
 * Actinia mediterranea Schmidt, 1971
 * Actinia mertensii Brandt, 1835
 * Actinia minutissima Le Sueur, 1817
 * Actinia mucilaginosa
 * Actinia nigropunctata den Hartog & Ocaña, 2003
 * Actinia obtruncata Stimpson, 1853
 * Actinia ostraearum Gay, 1854
 * Actinia papuana Quoy & Gaimard, 1833
 * Actinia prasina Gosse, 1860
 * Actinia punctata Gay, 1854
 * Actinia pusilla Swartz, 1788
 * Actinia reclinata Bosc, 1802
 * Actinia rosea Risso, 1826
 * Actinia rosula Ehrenberg, 1834
 * Actinia rubida Holdsworth, 1855
 * Actinia rufa Müller, 1776
 * Actinia sali Monteiro, Sole-Cava & Thorpe, 1997
 * Actinia sanguineo-punctata Templeton, 1841
 * Actinia simplex Ehrenberg, 1834
 * Actinia sinensis Andres, 1883
 * Actinia striata Quoy & Gaimard, 1833
 * Actinia striata Rizzi, 1907
 * Actinia strigata Quoy & Gaimard, 1833
 * Actinia tabella Drayton in Dana, 1846
 * Actinia taeniata Gay, 1854
 * Actinia tenebrosa Farquhar, 1898
 * Actinia tilesii Milne Edwards, 1857
 * Actinia timida Verrill, 1868
 * Actinia tongana Quoy & Gaimard, 1833
 * Actinia truncata Müller, 1776
 * Actinia varians Müller, 1806
 * Actinia violacea Risso, 1826
 * Actinia volva Müller, 1776
 * Actinia zonata Rathke, 1836