Brine shrimp, Daphnia, Triops and sp on.
The horseshoe shrimps.
crabs, lobsters, shrimp, krill, mantis shrimp, woodlice, sandhoppers, etc.
Barnacles, copepods, cyclops, Argulus fish lice.
Ostracods - the seed shrimp.
The Godzilla worms. I am not making this up.
