|Basic Information||Biotope classification||Ecology||Habitat preferences and distribution||Species composition||Sensitivity||Importance|
Image Keith Hiscock - Molgula manhattensis dominated seabed, middle channel with associated common starfish Asterias rubens. Image width ca 50 cm.
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CR.HCR.XFa.Mol recorded () and expected () distribution in Britain and Ireland (see below)
Temperature range preferences - Information unclear.
Water clarity preferences - Medium clarity / Medium turbidity
Low clarity / High turbidity
Poor clarity / Extreme turbidity
Limiting Nutrients - No information found
Other preferences -
The biotope is present on reef habitats and usually found on upward facing rock in the circalittoral. Whilst the biotope appears to be predominantly found in south-west Britain, that may be a result of the preference of the biotopes for harbours. There is nothing in the biology of component species to suggest that they are restricted to warmer waters in Britain and Ireland.
This review can be cited as follows:
Hiscock, K. 2002. Molgula manhattensis and Polycarpa spp. with erect sponges on tide-swept moderately exposed circalittoral rock. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 28/11/2015]. Available from: <http://www.marlin.ac.uk/habitatpreferences.php?habitatid=305&code=2004>