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Urticina eques (Gosse, 1860)

(photos of Dirk Schories, Germany: specimens from Lofoten, Norway)
Urticina eques

Urticina eques 

Urticina eques

Urticina eques is a species common in European and northern seas, but not occurring in Pacific. For a long time this European species was known as Urticina lofotensis (or Tealia lofotensis, or Tealia felina lofotensis) until Manuel in 1981 synonymized Urticina lofotensis and Urticina eques, and since Urticina eques is an older name, it become valid name of this species. Note, that Pacific species commonly called Urticina lofotensis has nothing in common with this species. Pacific "Urticina lofotensis" even is not an Urticina and belongs to a genus Cribrinopsis. According to recent revision valid name of Pacific species comonly called "Urticina lofotensis" is Cribrinopsis albopunctata.

Externally this species resembles Pacific anemone Urticina grebelnyi (which has much better developed nonadhesive vesicles on column and also differs in internal features). Urticina eques differs distinctly from another European species Urticina felina: Urticina felina is usually buried, occurs in crevices, has the body densely covered with large strongly adhesive veruccae to which gravel and other particles are attached. Third European species (occurring also in North Pacific), Urticina crassicornis, always has absolutely smooth body. (Note, that verrucose [not smooth] Pacific species which is often called Urticina crassicornis belongs to Urticina grebelnyi, but not to Urticina crassicornis).

Many specimens of Urticina eques have whitish or yellowish ground colour with wide or narrow, irregular, mainly longitudinal red patches. In some specimens the prevailing colour is red. Small nonadhesive verrucae are distinctly visible on the living specimens, especially on the contracted anemones. The verrucae are of the same colour as the column or paler, and they probably do not become as inflated and blister-like as in Pacific species Urticina grebelnyi. The oral disk and the tentacles are yellow-whitish, transparent, with the red longitudinal bands outlining tentacle bases on the disk; the tentacles are encircled with the wide white and red bands in the middle.


Recent revision of Pacific species of Cribrinopsis:
SANAMYAN N.P., SANAMYAN K.E., 2006. The genera Urticina and Cribrinopsis (Anthozoa: Actiniaria) from the North-Western Pacific. Journal of Natural History, 40(7-8): 359-393.

Taxonomic position:
Phylum: Cnidaria
Class: Anthozoa
Order: Actiniaria

Family: Actiniidae

Species: Urticina eques (Gosse, 1860)

Species list of sea anemones:
  • Acricoactis brachyacontis
  • Actinernus robustus
  • 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
  • Bunodactis verrucosa
  • Calliactis polypus
  • Cereus herpetodes
  • Cereus pedunculatus
  • Cerianthus lloydii
  • Charisea saxicola
  • Cnidopus japonicus
  • Condylactis aurantiaca
  • Condylactis gigantea
  • Corallimorphus karinae
  • Corallimorphus pilatus
  • Corynactis californica
  • Corynactis carnea
  • Corynactis viridis
  • Cribrinopsis albopunctata
  • Cribrinopsis crassa
  • Cribrinopsis fernaldi
  • Cribrinopsis olegi
  • Cribrinopsis rubens
  • Cryptodendrum adhaesivum
  • Dactylanthus antarcticus
  • Diadumene lineata
  • Discosoma nummiforme
  • Dofleinia armata
  • Edwardsia inachi
  • Edwardsiella loveni
  • Entacmaea quadricolor
  • Epiactis prolifera
  • Epizoanthus couchii
  • Epizoanthus fiordicus
  • Exaiptasia diaphana
  • Glyphoperidium bursa
  • Gonactinia prolifera
  • Gyractis octoradiata
  • 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 brevicorne
  • Macrodactyla doreensis
  • Megalactis griffithsi
  • Mesozoanthus fossii
  • Metridium farcimen
  • Metridium lobatum
  • Metridium senile
  • Metridium senile fimbriatum
  • Nemanthus sp
  • Octineon suecicum
  • Oulactis concinnata
  • Pachycerianthus multiplicatus
  • Pachycerianthus solitarius
  • Paracondylactis sinensis
  • Paracorynactis hoplites
  • 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
  • Platyzoanthus mussoides
  • Protanthea simplex
  • Protopalythoa mutuki
  • Pseudocorynactis caribbeorum
  • Ptychodactis aleutiensis
  • Ptychodactis patula
  • 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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