PORIFERA : POECILOSCLERIDA : IsodictyidaeSPONGES

Isodictya palmata (Ellis & Solander, 1786)


Isodictya palmata

Description: Isodictya palmata (Ellis and Solander, 1786) is a large palmate deep-water sponge, occurring in the boreal and sub-arctic North Atlantic. Smaller specimens may resemble Haliclona oculata or H . simulans, but from these it may be readily distinguished by the arrangement of the oscules in groups along the edges of the flattened branches. Erect, digitate, up to 35 cm high, with variably compressed branches of ca. 2.5 cm wide, which may coalesce into plate-shaped areas.

Habitat: Attached to bedrock.

Distribution: A northern species, recorded from the North Sea coasts of Scotland and England.

Similar Species: This species looks like a larger and more robust version of Haliclona oculata but is immediately distinguishable by the position of the oscules.

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). Isodictya palmata (Ellis & Solander, 1786). [In] Encyclopedia of Marine Life of Britain and Ireland.
http://www.habitas.org.uk/marinelife/species.asp?item=C6240 Accessed on 2017-11-24

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