CNIDARIA : CAPITATA : TubulariidaeSEA ANEMONES AND HYDROIDS

Tubularia indivisa Linnaeus, 1758


Description: The stem of this hydroid has a tough, yellowish coloured tegument. Usually the stems are clustered together and fuse with each other towards the base of the colony. The polyp colour is pale pink through to red, and consists of a central circlet of oral tentacles surrounded by paler but larger aboral tentacles. Gonothecae arise within this inner set of tentacles. Overall height 100-150mm, diameter of the polyp and tentacles about 15mm.

Habitat: A characteristic species of current swept bedrock and boulders, which may attach to other substrata such as kelp stipes.

Distribution: This species is common on all coasts of the British Isles.

Similar Species: Could be confused with Tubularia larynx.

Key Identification Features:

Distribution Map from BioMar data for Ireland - Google Earth map:  download this placemark (not got Google Earth installed?)

Distribution Map from NBN: Grid map (fast) : Interactive map (slow, requires login to view records) : National Biodiversity Network mapping facility, data for UK.


 Picton, B.E. & Morrow, C.C., 2010. [In] Encyclopedia of Marine Life of Britain and Ireland
http://www.habitas.org.uk/marinelife/species.asp?item=D1440

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