Intertidal Flatworms
Common Names: Flatworms
Scientific Name: Notocomplana spp. (Notocomplana actinicola, Notoplana acticola, Leptoplana acticola)
Size Range: Up to 6cm (2.3 in. long)
There are many species of marine flatworms and according to Lamb and Hanby (2005) they can be “extremely difficult to identify”.
Photos and video by D. Young

A flatworm (lower right) on a rock that was turned over. Rockweed Isopods (Idotea wosnesenskii) are in the background. Arbutus Cove, Victoria, British Columbia.
References:
Lamb, Andy and Hanby, Bernard. 2005. Marine Life of the Pacific Northwest: A Photographic Encyclopedia of Invertebrates, Seaweeds and Selected Fishes. Harbour Publishing.
