This relatively common resident of Missouri marshes, river sloughs and reservoirs is best known for its atypical-looking shell: Unlike most turtles, this creature’s top shell is smooth, relatively flat and has a leathery feel. This turtle also is one of Missouri’s lesser-known game animals. Softshell turtles can be taken by a variety of methods (check Missouri Wildlife Code for details) from July 1 through Dec. 31. The daily limit is five. Leer más.