"This could completely change peoples' thinking perhaps about the kind of pathways by which mud is produced."Scientists have known that fish crystallize carbonates in their intestines and release them ...

The Sonoyta mud turtle has evolved as an aquatic species in one of the ... but it wasn't until this turtle had been a candidate for 20 years that the U.S. Fish and Wildlife Service protected it under ...

LIFE CYCLE: Sonoyta mud turtles may live as long as 40 years, taking five to six years to reach adulthood. FEEDING: These turtles eat aquatic insects, crustaceans, snails, fish, frogs, and plants.