I like fishing.  Have you ever been fishing? 
Yes indeed, I've just been marlin fishing in my last vacation in the Florida Keys
What type of fish are marlin?
Well, there are a lot of them.  I was personally going for Atlantic blue marlin.  It's delicious with lemon juice
How big do Atlantic blue marlin get? 
Very big.  There's a lot of contest where fisherman have to catch the biggest blue marlin.  Some are longer than 6 foot