Hydractinia
Hydractinia altispina
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Cnidaria
Class: Hydrozoa
Order: Anthoathecata
Family: Hydractiniidae
Genus: Hydractinia
van Beneden, 1841
Species

See text

Synonyms
List
  • Cionistes Wright, 1861
  • Echinochorium Hassall, 1841
  • Euhydractinia Broch, 1910
  • Halorhiza Stechow, 1962
  • Hydrodendrium Nutting, 1906
  • Hydronema Stechow, 1921
  • Nuttingia Stechow, 1909
  • Podocorella Stechow, 1921
  • Synhydra Quatrefages, 1843

Hydractinia is a genus of commensal athecate hydroids which belong to the family Hydractiniidae. Hydractinia species mostly live on hermit-crabbed marine gastropod shells.

One species, Hydractinia echinata, is commonly known as snail fur.[1] Another species, H. minoi, is known to be commensal with stingfishes of the genus Minous.[2]

Species

  • H. aculeata
  • H. aggregata
  • H. altispina
  • H. anechinata
  • H. angusta
  • H. apicata
  • H. arctica
  • H. arge
  • H. armata
  • H. bayeri
  • H. betkensis
  • H. brachyurae
  • H. californica
  • H. canalifera
  • H. carica
  • H. carolinae
  • H. constrictura
  • H. cryptogonia
  • H. cytaeiformis
  • H. denhami
  • H. diogenes
  • H. disjuncta
  • H. dongshanensis
  • H. echinata
  • H. epidocleensis
  • H. epispongia
  • H. gorgonoides
  • H. granulata
  • H. guangxiensis
  • H. hancocki
  • H. inabai
  • H. ingolfi
  • H. kaffraria
  • H. laevispina
  • H. longispina
  • H. mar
  • H. marsupialia
  • H. michaelseni
  • H. minoi
  • H. moniliformis
  • H. monocarpa
  • H. monoon
  • H. multispina
  • H. multitentaculata
  • H. munita
  • H. nagaoensis
  • H. novaezelandiae
  • H. ocellata
  • H. otagoensis
  • H. pacifica
  • H. parvispina
  • H. paucispinata
  • H. phialiformis
  • H. phyllosoma
  • H. piscicola
  • H. polycarpa
  • H. polyclina
  • H. polytentaculata
  • H. proboscidea
  • H. prolifica
  • H. promiscua
  • H. quadrigemina
  • H. recurvatus
  • H. rugosa
  • H. sandrae
  • H. sarsii
  • H. spinipapillaris
  • H. spiralis
  • H. symbiolongicarpus
  • H. symbiopollicaris
  • H. taiwanensis
  • H. thatcheri
  • H. uniformis
  • H. valens
  • H. vallini
  • H. verdi
  • H. yerii

References

Wikimedia Commons has media related to Hydractinia.
  1. ↑ Kåre Telnes. "Snail Fur - Hydractinia echinata". The Marine Flora and Fauna of Norway. Kåre Telnes. Retrieved 1 April 2022.
  2. ↑ Eschmeyer, W. N.; Hallacher, L. E.; and Rama-Rao, K. V. (1979). "The scorpionfish genus Minous (Scorpaenidae, Monoinae) including a new species from the Indian Ocean". Proceedings of the California Academy of Sciences. 41 (20): 453–473.


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