''Actinia'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...

of sea anemones in the

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

Actiniidae Actiniidae is the largest family of sea anemones, to which most common, temperate, shore species belong. Most members of this family do not participate in symbioses with fishes. Three exceptions are the bubble-tip anemone (with anemonefish and ...

. Actinia display a rare form of

heteromorphosis Heteromorphosis (//) ( el, έτερος – other; morphe – form) refers to situations where an organ or tissue is different from the expected,"Biology Encyclopedic Dictionary. "Ch. Ed. MS Gilyarov; Editorial Board: AA Babayev, GG Winberg, GA Zav ...

in which a cut inflicted on a specimen can develop into a second mouth.

Species

The following

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

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 ''Actinia cari'' is a species of sea anemone in the family Actiniidae. It is native to the Mediterranean Sea where it is an uncommon species. Description ''Actinia cari'' grows to approximately 4-5 centimetres wide, and 8 centimetres high. It c ...

'' Delle Chiaje, 1822 *'' Actinia chlorodactyla'' Brandt, 1835 *''

Actinia cinerea ''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 Regis ...

'' Gay, 1854 *'' Actinia cleopatrae'' Hemprich & Ehrenberg, 1834 *''

Actinia curta ''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 Regis ...

'' Drayton in Dana, 1846 *''

Actinia delicatula ''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 Regis ...

'' (Hertwig, 1888) *''

Actinia dubia ''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 Regis ...

'' Lesson, 1830 *''

Actinia ebhayiensis ''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 Regis ...

'' Schama, Mitchell & Solé-Cava, 2011 *

Beadlet anemone The beadlet anemone (''Actinia equina'') is a common sea anemone found on rocky shores around all coasts of the British Isles. Its range extends to the rest of Western Europe and the Mediterranean Sea, and along the Atlantic coast of Africa as fa ...

(''Actinia equina'' (

Linnaeus Carl Linnaeus (; 23 May 1707 – 10 January 1778), also known after his ennoblement in 1761 as Carl von Linné Blunt (2004), p. 171. (), was a Swedish botanist, zoologist, taxonomist, and physician who formalised binomial nomenclature, the ...

, 1758)) *''

Actinia erythrospilota ''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 Regis ...

'' Brandt, 1835 *''

Actinia fiscella ''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 Regis ...

'' Müller, 1789 *''

Actinia fragacea ''Actinia fragacea'', commonly known as the strawberry anemone, is a species of sea anemone of the order Actiniaria, that occurs from Norway to Africa, including adjacent islands (the Azores, Canary Islands, and Cape Verde) and the Mediterranean. ...

'' Tugwell, 1856, Strawberry anemone *''

Actinia gelatinosa ''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 Regis ...

'' Moseley, 1877 *''

Actinia gemma ''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 Regis ...

'' Drayton in Dana, 1846 *''

Actinia gracilis ''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 Regis ...

'' Hemprich & Ehrenberg, 1834 *''

Actinia graminea ''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 Regis ...

'' Drayton in Dana, 1846 *''

Actinia grobbeni ''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 Regis ...

'' Watzl, 1922 *'' Actinia iris'' Müller, 1789 *'' Actinia kraemeri'' Pax, 1914 *''

Actinia laurentii ''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 Regist ...

'' 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 ''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 Regist ...

'' Gay, 1854 *''

Actinia papuana ''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 Regis ...

'' Quoy & Gaimard, 1833 *''

Actinia prasina ''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 Regist ...

'' 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 ''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 Regist ...

'' Gay, 1854 *''

Actinia tenebrosa ''Actinia tenebrosa'', commonly known as the waratah anemone, is the most common species of sea anemone found in the waters of eastern Australia and New Zealand (where it is known in Māori as kōtore, or kōtoretore). It is found relatively hi ...

'' 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 ''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 Regist ...

'' Rathke, 1836 Image:Actinia cari.jpg, ''

'' Image:Aberdour bay, beadlet anemone in rock-pool - geograph.org.uk - 824521.jpg, '' Actinia equina'' Image:Strawberry anemone near Wembury.jpg, ''

'' Image:Actinia schmidti.JPG, '' Actinia mediterranea'' Image:Actinia striata.jpg, '' Actinia striata'' Image:Actinia tenebrosa.jpg, ''

References

Actiniidae Hexacorallia genera Taxa named by Carl Linnaeus {{Actiniaria-stub