|MOLLUSCA : NUDIBRANCHIA : Tritoniidae||SNAILS, SLUGS, ETC.|
Description: This inconspicuous nudibranch is pale yellow with extensive greenish-brown mottling. Usually there are two patches of darker pigment behind the rhinophores. It has six finger-like processes on its oral veil and up to six pairs of arborescent lateral gills. Adults vary in length from approximately 16-30mm.
Habitat: Tritonia plebeia feeds on the soft coral Alcyonium digitatum and is usually found hiding at the base of the colony or amongst bryozoan undergrowth nearby. The spawn is a string laid in a convoluted coil, usually on rock at the base of Alcyonium colonies.
Distribution: This species is frequent all round the British Isles. It reaches its northern limit at Norway and its southern limit at Portugal.
Similar Species: Tritonia plebeia is similar in appearance to Tritonia manicata but not as slender as that species and much darker in colour.
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 |
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