CNIDARIA : CONICA : HaleciidaeSEA ANEMONES AND HYDROIDS

Halecium plumosum Hincks, 1868


Halecium plumosum

Description: The colony consists if straggly main stems with short side branches of determinate length. The hydrothecae is tubular in shape and has an everted rim. Often there are several upright stems clustered together, indicating either rhizoid growths or aggregated settlement.

Habitat: This hydroid is usually found in the circalittoral zone, in areas of moderate tidal streams, attached to bedrock, boulders, shells and wrecks.

Distribution: There are recent observations from the east coast of Rathlin Island, Co Antrim and from the western coasts of Scotland.

Similar Species: The status of Halecium sessile is considered uncertain, recent authors consider it to be a juvenile form of this species.

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). Halecium plumosum Hincks, 1868. [In] Encyclopedia of Marine Life of Britain and Ireland.
http://www.habitas.org.uk/marinelife/species.asp?item=D5300 Accessed on 2017-11-20

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