11. A mortality rate of 100 percent was found for test trout and daphnia when exposed to water samples. 12. The spiders prey on aquatic insects and crustaceans such as mosquito larvae and " Daphnia ". 13. Once this process is complete, the fishes are ready to take sifted " Daphnia ". 14. The branchiopod crustacean " Daphnia magna " parthenogenetically produces male progeny in response to environmental conditions. 15. But using Daphnia could maybe work with appropriate calibration of the method against samples with a known content. 16. They feed largely on small insects such as mosquito larvae and crustaceans such as " Daphnia ". 17. However, other live foods such as " Daphnia " or brine shrimp can also be used. 18. Similar to some other " Daphnia " species, the plastic response to the presence of predators. 19. One study has postulated that the water flea " Daphnia magna " eats the spores of the fungus. 20. It is an obligate pathogen with cladoceran crustaceans from the " Daphnia " genus serving as its hosts.
