Search for aquatic invasive species

Aquatic invasive species (AIS) pose an ongoing threat to Washington's environment and economy. Find out which species are considered invasive in Washington.

Species Category Family AIS classification
Tetraclitella purpurascens (Tetraclitella purpurascens) Crustaceans Tetraclitidae Regulated
Burrowing isopod (Sphaeroma quoyanum) Crustaceans Spheromatidae Prohibited
European green crab (Carcinus maenas) Crustaceans Portunidae Prohibited
Australian Porcelain crab (Petrocheles australiensis) Crustaceans Porcellanidae Regulated
Murray crayfish (Euastacus armatus) Crustaceans Parastacidae Prohibited
Yabby (Cherax preissii) Crustaceans Parastacidae Prohibited
Glenelg crayfish (Euastacus bispinosis) Crustaceans Parastacidae Prohibited
Yabby (Cherax rotundus setotus) Crustaceans Parastacidae Prohibited
Gippsland crayfish (Euastacus kershawi) Crustaceans Parastacidae Prohibited
Spiny crayfish (Euastacus setosus) Crustaceans Parastacidae Prohibited
Spiny crayfish (Euastacus spinifer) Crustaceans Parastacidae Prohibited
Lamington Spiny crayfish (Euastacus sulcatus) Crustaceans Parastacidae Prohibited
Spiny crayfish (Euastacus valentulus) Crustaceans Parastacidae Prohibited
Spiny crayfish (Euastacus woriwuru) Crustaceans Parastacidae Prohibited
Yarra crayfish (Euastacus yarraensis) Crustaceans Parastacidae Prohibited
Giant Tasmanian crayfish (Astacopis gouldi) Crustaceans Parastacidae Prohibited
Spiny crayfish (Astacopis tricornus) Crustaceans Parastacidae Prohibited
Land Yabby (Geocharax falcata) Crustaceans Parastacidae Prohibited
Land Yabby (Parastacoides tasmanicus tasmanicus) Crustaceans Parastacidae Prohibited
Yabby (Cherax albidus) Crustaceans Parastacidae Prohibited
Orange fingered Yabby (Cherax depressus) Crustaceans Parastacidae Prohibited
Orange fingered Yabby (Cherax destructor) Crustaceans Parastacidae Prohibited
Southern Rock lobster (Jasus novaehollandiae) Crustaceans Panuliridae Regulated
Gammarella berringar (Gammarella berringar) Crustaceans Melitidae Regulated
Sea flea (Nebalia sp) Crustaceans Leptostraca Regulated