RHODOPHYTA : GIGARTINALES : GigartinaceaeRED ALGAE

Chondrus crispus Stackhouse


Description: Grows from a discoid holdfast forming erect fronds to a maximum of 20 cms long. Flattened and dichotomously branching 3 or 4 times in fan-like manner. Very variable.

Habitat: Very common. Epilithic in midlittoral rock pools into the sublittoral to 24 m.

Distribution: Widespread around the British Isles including the Shetlands. Europe: Azores, Portugal, Spain, France, Netherlands, Norway and Iceland. Atlantic coast of North America: Canada and the United States from Maine to Delaware.

Similar Species: Mastocarpus stellatus has a channelled frond and reproduces with cystocarps which arise as short papillae.

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.


 Morton, O. & Picton, B.E., 2010. [In] Encyclopedia of Marine Life of Britain and Ireland
http://www.habitas.org.uk/marinelife/species.asp?item=ZM6110

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