Arrange the different parts in the correct sequence to form a meaningful sentence/paragraph. P : Ungainly on land, it is mainly found in mountain streams, where it feeds on snails, crabs and sometimes fish.
Q : The largest amphibian is the giant salamander Adrias Joponicus which grows to a length of 1.8 metres.
R : It lives an inactive life and surfaces to breathe at irregular intervals.
S : It may also be the largest living amphibian; one has been recorded as living for 55 years.