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.
Well... As for duration of action of up to 6 hours, 6 to 12 hours is the half-life period of Xanax. That is, after this length of time, one half of the taken dose is still present in your system. After another 6 to 12 hours, a half of this half is still present, and so on.anax stays in the body 4 - 6 hours depending on the individual. The second answer was correct and off a pharamacy site! YET ANOTHER ANSWER! GENERALLY speaking, how long a drug stays in your system is more likey linked to how long does the drug works in your system.