Nautilus conducts toxicity testing for a wide variety of clients and regulatory processes

Freshwater species include:

• Fathead minnows (Pimephales promelas)
• Rainbow trout (Oncorhynchus mykiss)
• Daphnids (Ceriodaphnia dubia, Daphnia magna)
• Amphipods (Hyalella azteca)
• Green alga (Pseudokirchneriella subcapitata)
• Duckweed (Lemna minor)

Marine Species include: 

• Stickleback (Gasterosteus aculeatus)
• Topsmelt (Atherinops affinis)
• Inland silverside (Menidia beryllina)
• Mysid shrimp (Americamysis bahia)
• Bivalves (Mytilus spp.; Crassostrea gigas)
• Echinoderms (Stronglyocentrotus purpuratus; Dendraster excentricus)
• Giant Kelp (Macrocystis pyrifera)
• Pacific herring (Clupea pallasi)
• Copepod (Acartia tonsa) 
• Macroalgae, (Ceramium tenuicorne) 

Species tested include: 

• Earthworms (Lumbriculus terretris; Eisenia sp.)
• Springtails (Folsomia candida)
• Plants, including lettuce (Lactuca sativa), barley (Hordeum vulgare), and northern wheatgrass (Elymus lanceolatus)
• Microtox

Nautilus has extensive experience conducting assessments of freshwater, estuarine, and marine sediments from a diverse array of projects across Canada and the United States. 

Freshwater species include:

• Midge larvae (Chironomus dilutus)
• Amphipods (Hyalella azteca)
• Oligochaetes (Lumbriculus variegatus; Tubifex tubifex)
• Mayfly (Hexagenia sp.)

Marine species include:

• Amphipod (Eohaustorius estuarius; Rhepoxinius abronius; Ampelisca abdita; Leptocheirus plumulosus)
• Polychaete (Neanthes arenaceodentata)
• Bivalves (Mytilus spp.; Crassostrea gigas)
• Echinoderms (Stronglyocentrotus purpuratus; Dendraster excentricus)

Microbial tests include:

• BART Test Kits: Sulfate Reducing Bacteria, Iron Related Bacteria, Acid Producing Bacteria, Slime Forming Bacteria, Heterotrophic Aerobic Bacteria, Denitrifying Bacteria, Nitrifying Bacteria
• Ready Biodegradability