BIOTIC Species Information for Lithothamnion corallioides
Click here to view the MarLIN Key Information Review for Lithothamnion corallioides
Researched byAngus Jackson Data supplied byMarLIN
Refereed byDr Christine Maggs
General Biology
Growth formAlgal gravel
Feeding methodPhotoautotroph
Mobility/MovementNot relevant
See additional information
Environmental positionEpilithic
Typical food typesNot relevant HabitBed forming
BioturbatorNot relevant FlexibilityNone (< 10 degrees)
FragilityIntermediate SizeSmall-medium(3-10cm)
Height Growth Rate1-2 mm/year
Adult dispersal potential10-100m DependencyIndependent
SociabilityGregarious
Toxic/Poisonous?No
General Biology Additional InformationMobility is recorded as not relevant here since maerl does not fall into the available categories. It does have a crustose permanently attached form but this has only been recorded at 2 sites in the British Isles. It is typically found as an unattached plant. Maerl has been found in densities of up to 22,000 thalli per square metre. The proportion of live to dead nodules varies considerably. As far as is known, maerl continues to grow throughout its life but fragmentation limits the size of the nodules. Individual plants may reach up to 5 cm across. Maerl beds are highly species rich with 150 macroalgal species and over five hundred faunal species (of which 120 are molluscs) recorded as living on or in maerl beds (Birkett et al., 1998(a)); see the maerl biotope £IGS.Phy.HEc£ for further information. As far as is known, the maerl does not host any commensal or parasitic species. However, a few algae are almost entirely restricted to maerl communities e.g. the red algae Gelidiella calcicola, Gelidium maggsiae and the crustose Cruoria cruoriaeformis (Birkett et al., 1998(a)).
Biology References Irvine & Chamberlain, 1994, Adey & McKibbin, 1970, Donnan & Davies, 1996, Birkett et al., 1998, Potin et al., 1990, Grall & Glémarec, 1997, Birkett et al., 1998(a), Maggs & Guiry, 1987,
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