'''''Triops''''' isare a [[genus]] of small [[crustacean]]s in the order [[Notostraca]] (tadpole shrimp). The long-lasting resting eggs of several species of ''Triops'' are commonly sold in kits as pets. The animals hatch upon contact with fresh water. Most adult-stage ''Triops'' have a life expectancy of up to 90 days and can tolerate a [[pH]] range of 6 to 10. In nature, they often inhabit temporary pools.<ref name="Denton Belk 2007 414–417">{{cite book |editor1=Sol Felty Light |editor2=James T. Carlton |year=2007 |title=The Light and Smith manual: intertidal invertebrates from central California to Oregon |edition=4th |publisher=[[University of California Press]] |isbn=978-0-520-23939-5 |chapter=Branchiopoda |author=Denton Belk |pages=414–417 |chapter-url=https://books.google.com/books?id=64jgZ1CfmB8C&pg=PA417}}</ref>