Asian giant salamanders are aquatic amphibians found in brooks and ponds in China and Japan. They are the largest living amphibians known today.
The Japanese giant salamander (Andrias japonicus), reaches up to 1.44 metres (4.7 ft). The Chinese giant salamander (Andrias davidianus) can reach a length of 1.8 metres (5.9 ft).
I think it would be cool to own one, if only for the fact you could say "Summon the giant salamander!" if someone displeases you.