Currently, there is no single “go-to” list of aquatic invasive alien species in Nova Scotia. ISANS is working with experts to develop lists of ecologically important invasive alien aquatic organisms. In the meantime, please click on a species to learn more about these known Nova Scotia invaders. Links lead to a variety of resources: some Nova Scotian, and some Canadian.

Spinycheek crayfish (Orconectes limosus)

Flowering rush (Butomus umbellatus)

L. Sanchez @ en.wikipedia		Green crab (Carcinus maenus)
Wikipedia		Smallmouth bass (Micropterus dolomieui)
Mark Elderkin		Yellow floating heart (Nymphoides peltata)
A.Redden, ACER		Sea squirts or tunicates (Ciona intestinalis, Didemnum sp., and Styela clava) DFO Publication Project UFO
Wikipedia		Dead man’s fingers or oyster thief Codium fragile)