CNIDARIA : CONICA : SertulariidaeSEA ANEMONES AND HYDROIDS

Thuiaria articulata (Pallas, 1766)


Thuiaria articulata

Description: This hydroid has erect main stems with side branches at regular alternate intervals. The hydrothecae diverge little from the stem and branches. Typical size of colonies is 120mm in height.

Habitat: This is a rather scarce species, found on bedrock in exposed or moderately exposed sites, usually in the circalittoral zone.

Distribution: Widespread on the western coasts of the British Isles.

Similar Species: The overall appearance of this hydroid is most similar to some Diphasia species, but the hydrothecae in this species are subalternate as opposed to opposite in Diphasia.

Key Identification Features:

Distribution Map from NBN: Interactive map : National Biodiversity Network mapping facility, data for UK.

WoRMS: Species record : World Register of Marine Species.



 Picton, B.E. & Morrow, C.C. (2016). Thuiaria articulata (Pallas, 1766). [In] Encyclopedia of Marine Life of Britain and Ireland.
http://www.habitas.org.uk/marinelife/species.asp?item=D6580 Accessed on 2017-11-20

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