Do you know#3!!!

Hey guys welcome back to another fun filled game of...DO YOU KNOW...this is our third game of the year as it has just came out but anyway before we go on any further last weeks winner was...NO ONE, nice try last week but the answer was a...COW, WOW i know that was a hard one I'll be taking that one for safe keeping's, now then lets get started.


Do you know, what am I??

I live in very wet places, I live for a very short span of time and am very fast?