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Heteractis aurora (Quoy et Gaimard, 1833)

(photos of Bernard DUPONT: specimen from Malaysia, Pacific)
   
Heteractis aurora

Heteractis aurora


(photo of Patrick Randall, shallow waters of Okinawa, Japan)
Heteractis aurora
THeteractis aurora is the sole true Heteractis species. According to K.W. England (1988) all other species (including well known for all marine tank keepers species referred as Heteractis magnifica, Heteractis malu and Heteractis crispa) are wrongly assigned to the genus Heteractis. They all belong to other genera (in particular three above named species actually belong to Radianthus and must be referred as Radianthus magnifica, Radianthus malu and Radianthus crispa). In Heteractis aurora the tentacles never arranged in longitudinal rows on the disk, they are arranged in circles as in many other anemones, while in Radianthus (and in other Stichodactylidae, for example in Stichodactyla) some tentacles on the disk are arranged in rows along the radiuses of the oral disk. There are other differences, for details see the paper of K.W. England (1988).

It is hard to misidentify this species, its peculiar moniliform tentacles with very characteristic swellings or protuberances, which may be blister-like or more frequently forming a band across tentacle are very characteristic and diagnostic. Occasionally Heteractis aurora is confused with Phymanthus species, which also has proturberances or swellings on the sides of the tentacles, but Phymanthus also has additional small tentacles, often looking just as low bumps arranged in rows along the radiuses of oral disk, (see Phymanthus crucifer).


Taxonomic position:
Phylum: Cnidaria
Class: Anthozoa
Subclass: Hexacorallia
Superorder: Hexactiniida
Order: Actiniaria
Suborder: Nynantheae (Thenaria : Endomyaria)

Family: Heteractinidae

Species: Heteractis aurora (Quoy and Gaimard, 1833)

Species list of sea anemones:
  • Actinia equina
  • Actinodendron sp
  • Actinostella bradleyi
  • Actinostephanus haeckeli
  • Actinostola chilensis
  • Actinothoe sphyrodeta
  • Adamsia palliata
  • Aiptasia couchii
  • Aiptasia mutabilis
  • Alicia mirabilis
  • Alicia sansibarensis
  • Allantactis parasitica
  • Amplexidiscus fenestrafer
  • Andresia parthenopea
  • Anemonia alicemartinae
  • Anemonia viridis
  • Antholoba achates
  • Anthopleura elegantissima
  • Anthopleura hermaphroditica
  • Anthopleura orientalis
  • Anthopleura sola
  • Anthopleura xanthogrammica
  • Anthothoe chilensis
  • Armactinia antarctica
  • Artemidactis victrix
  • Aulactinia vancouverensis
  • Aulactinia vladimiri
  • Bathyphellia margaritacea
  • Boloceroides mcmurrichi
  • Boloceropsis platei
  • Calliactis polypus
  • Cereus herpetodes
  • Cereus pedunculatus
  • Cerianthus lloydii
  • Charisea saxicola
  • Cnidopus japonicus
  • Condylactis aurantiaca
  • Condylactis gigantea
  • Corallimorphus karinae
  • Corynactis californica
  • Corynactis carnea
  • Corynactis viridis
  • Cribrinopsis albopunctata
  • Cribrinopsis crassa
  • Cribrinopsis olegi
  • Cryptodendrum adhaesivum
  • Dactylanthus antarcticus
  • Diadumene lineata
  • Discosoma nummiforme
  • Dofleinia armata
  • Edwardsia inachi
  • Entacmaea quadricolor
  • Epiactis prolifera
  • Epizoanthus couchii
  • Epizoanthus fiordicus
  • Glyphoperidium bursa
  • Gonactinia prolifera
  • Gyractis octoradiata
  • Gyractis verrucosa
  • Halcampa arctica
  • Halcampoides sp
  • Halcampoides mediterranea
  • Halcurias pilatus
  • Heteractis aurora
  • Heterodactyla hemprichii
  • Hormathia lacunifera
  • Hormathia nodosa
  • Hormathia pacifica
  • Hormathia pectinata
  • Hormosoma scotti
  • Isaurus tuberculatus
  • Isoparactis fabiani
  • Isoparactis fionae
  • Isosicyonis alba
  • Korsaranthus natalensis
  • Liponema brevicornis
  • Macrodactyla doreensis
  • Megalactis griffithsi
  • Mesozoanthus fossii
  • Metridium farcimen
  • Metridium lobatum
  • Metridium senile
  • Metridium senile fimbriatum
  • Nemanthus sp
  • Oulactis concinnata
  • Pachycerianthus multiplicatus
  • Pachycerianthus solitarius
  • Paracondylactis sinensis
  • Paraisanthus tamarae
  • Paranthus niveus
  • Parazoanthus anguicomus
  • Parazoanthus axinellae
  • Parazoanthus elongatus
  • Peachia cylindrica
  • Phellia exlex
  • Phelliactis callicyclus
  • Phyllodiscus semoni
  • Phymactis papillosa
  • Phymanthea pluvia
  • Phymanthus crucifer
  • Phymanthus species
  • Protanthea simplex
  • Protopalythoa mutuki
  • Pseudocorynactis caribbeorum
  • Ptychodactis aleutiensis
  • Radianthus crispa
  • Radianthus magnifica
  • Radianthus malu
  • Rhodactis inchoata
  • Rhodactis indosinensis
  • Ricordea yuma
  • Sagartia elegans
  • Sicyonis heliodiscus
  • Spongiactis japonica
  • Stichodactyla gigantea
  • Stichodactyla haddoni
  • Stichodactyla tapetum
  • Stomphia coccinea
  • Telmatactis sp
  • Triactis producta
  • Urticina clandestina
  • Urticina columbiana
  • Urticina crassicornis
  • Urticina eques
  • Urticina felina
  • Urticina grebelnyi
  • Urticina kurila
  • Urticina mcpeaki
  • Verrillactis paguri

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