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Aiptasia mutabilis (var. "couchii" (Cocks, 1851))

(photos of Ricardo R. Fernandez: specimens from Spain)
   
Aiptasia couchii

Aiptasia couchii

These sea anemones known as Aiptasia couchii look quite differently from the typical Aiptasia mutabilis, but, according to Schmidt (1972) belong to the same species. According to Schmidt two forms of Aiptasia mutabilis (the typical form and "couchii") differ in Mediterranean in size, colour, and, in part, by their ecology, however, intermediate specimens also exist. Further, he describes an occasion when smaller "Aiptasia couchii" has grown in aquarium to the typical Aiptasia mutabilis.
Taxonomic position:
Phylum: Cnidaria
Class: Anthozoa
Subclass: Hexacorallia
Superorder: Hexactiniida
Order: Actiniaria
Suborder: Nynantheae (Thenaria : Acontiaria)

Family: Aiptasiidae

Species: Aiptasia mutabilis (Gravenhorst, 1831)

Species list of sea anemones:
  • Actinia equina
  • Actinostola chilensis
  • Actinothoe sphyrodeta
  • Adamsia palliata
  • Aiptasia couchii
  • Aiptasia mutabilis
  • Alicia mirabilis
  • Amplexidiscus fenestrafer
  • Andresia parthenopea
  • Anemonia alicemartinae
  • Anemonia viridis
  • Antholoba achates
  • Anthopleura hermaphroditica
  • Anthopleura orientalis
  • Anthopleura xanthogrammica
  • Anthothoe chilensis
  • Artemidactis victrix
  • Boloceropsis platei
  • Calliactis polypus
  • Cereus herpetodes
  • Cereus pedunculatus
  • Cerianthus lloydii
  • Charisea saxicola
  • Cnidopus japonicus
  • Condylactis aurantiaca
  • Condylactis gigantea
  • Corallimorphus profundus
  • Corynactis carnea
  • Corynactis viridis
  • Cribrinopsis albopunctata
  • Cribrinopsis crassa
  • Cribrinopsis olegi
  • Cryptodendrum adhaesivum
  • Dactylanthus antarcticus
  • Diadumene lineata
  • Discosoma nummiforme
  • Entacmaea quadricolor
  • Epizoanthus couchii
  • Epizoanthus fiordicus
  • Glyphoperidium bursa
  • Gonactinia prolifera
  • Gyractis octoradiata
  • Gyractis verrucosa
  • Halcampoides sp
  • Halcampoides mediterranea
  • Halcurias pilatus
  • Heterodactyla hemprichii
  • Hormathia lacunifera
  • Hormathia pectinata
  • Hormosoma scotti
  • Isaurus tuberculatus
  • Isosicyonis alba
  • Korsaranthus natalensis
  • Liponema brevicornis
  • Mesozoanthus fossii
  • Metridium farcimen
  • Metridium lobatum
  • Metridium senile
  • Metridium senile fimbriatum
  • Nemanthus sp
  • Oulactis concinnata
  • Pachycerianthus multiplicatus
  • Pachycerianthus solitarius
  • Paranthus niveus
  • Parazoanthus anguicomus
  • Parazoanthus axinellae
  • Parazoanthus elongatus
  • Peachia cylindrica
  • Phellia exlex
  • Phelliactis callicyclus
  • Phymactis papillosa
  • Phymanthea pluvia
  • Phymanthus species
  • Protanthea simplex
  • Protopalythoa mutuki
  • Pseudocorynactis caribbeorum
  • Ptychodactis aleutiensis
  • Radianthus magnifica
  • Rhodactis inchoata
  • Rhodactis indosinensis
  • Ricordea yuma
  • Sagartia elegans
  • Stichodactyla haddoni
  • Stomphia coccinea
  • Triactis producta
  • Urticina crassicornis
  • Urticina eques
  • Urticina felina
  • Urticina grebelnyi
  • Urticina mcpeaki

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