shrimps, crabs, lobsters, water fleas, and relatives. Crustaceans are arthropods , related to insects and myriapods. They are the most diverse animal group in underwater habitats. Only a few crustacean groups have evolved the ability to live on land, and like amphibians, these terrestrial crustaceans still need water or damp places to live.
The drug detection times for Xanax or any other Benzodiazepine in a urine drug test can be as long as 6 weeks depending on your use level. There are a multitude of combinations of drugs that can be on any given test and Benzodiazepines can potentially be on any one of them.
Benzos vary, however xanax is the shorted acting benzo and will be out of your urine in 48 hours as long as you didnt take like 30mg, which could be deadly. On a side note Valium and stay in your system for 2-3 weeks, not sure why, but it can, it has a very long half life, so if you get drug tested dont take valium.