really depends on what your looking for. for damage i say Cats and Raptors are the best. for tanking i, personally have a gorilla because i like them better, but would suggest Gorilla, Bear, Boar or Turtle. I kind of put Wolves in a class of there own because they dont have a whole lot of damage but i think they look cool. and there armor isnt bad either.

its really up to you. hunters are all about having a cool pet that you like. if you hate the pet that you have but it has good stats, then your defeating the purpose of a hunter. find the one that you like. heres a website that helps A LOT:

http://petopia.brashendeavors.net/