Freshwater Test Species

Fish Acute and Chronic Tests

Fathead minnow (Pimephales promelas)
Rainbow trout (Oncorhynchus mykiss)
Brook trout (Salvelinus fontinalis)

Invertebrate Acute and Chronic Tests

Daphnid/Water Fleas (Daphnia magna, Daphnia pulex, Ceriodaphnia dubia)

Alga Chronic Tests

Green Alga (Pseudokirchneriella subcapitata, formerly Selenastrum capricornutum)