Species Average Abundance m-2 Trophic function
Sponge, encrusting Suberites spp. 0.26 Filter feeder
Hydroid, Obelia geniculata 0.27 Filter feeder (on kelp)
Anemone, Urticina felina 1.54 Predator
Cnidarian, Caryophyllia smithii 0.59 Filter feeder
Annelid, Eupolymnia nebulosa 0.02 Filter feeder
Crustacean, Palaemon serratus 0.016 Predator
Mollusc, Gibbula umbilicalis 0.86 Grazer
Mollusc, Gibbula cineraria 0.06 Grazer
Echinoderm, Asterias rubens (<3cm diameter) 1.22 Predator
Echinoderm, Marthasterias glacialis 0.41 Predator
Echinoderm, Holothuria forskali 0.39 Suspension feeder
Echinoderm, Echinus esculentus 0.2 Grazer
Ascidian, Aplidium punctum 0.78 Filter feeder
Ascidian, Distomus variolosus 4.99 Filter feeder
Ascidian, Diplostoma spongiforme 0.08 Filter feeder
Vertebrate, Pomatoschistus spp. 0.015 Predator
Vertebrate, Gobiusculus flavescens 0.39 Predator