Estuarine Subtidal Mixed-Fines: Open, Deep
-15 to 50 m: sand, shell, pebbles
Common Species
Areas with finer substrata have beds of the sea pens Ptilosarcus gurneyi and Virgularia spp. and accompanying nudibranchs. Other species include the burrowing anemone Pachycerianthus fimbriatus, chaetopterid polychaetes, hydroids, the bivalves Saxidomus giganteus, Mya truncata, Protothaca staminea, Humilaria kennerlyi, Solen sicarius, and Pododesmus cepio (on pebbles and shells); the sea cucumber Parastichopus californicus, the crabs Cancer magister and Pugettia spp., the starfish Luidia foliolata and Pycnopodia helianthoides, and the red algae Stenogramme interrupta, Polyneura latissima, Nienburgia andersoniana and others.
Sites Surveyed
Jack Island, Saltspring Island (British Columbia).
Sources
Lim, 1980; D. Duggins unpubl. data.