If my son was older and could play, he would seriously want this little guy to play with, who wouldn't! There is now another reason to break out the picnic basket and umbrella to go hit the beaches in WoW. Here is the information from WarcraftPets.com. I hope Blizzard keeps this pet when WotLK is released!
More...
There appears to be a new*Baby Shark*pet in Wrath. And what's so unique about this pet is that it may be the first underwater-only pet. At the moment, it may be summoned on land as well, but players are speculating that this mechanic may change to prohibit the pet from being summoned outside of water based on its tooltip: "He really requires water." The sharkling is sold by an Arena Vendor named Morgan Day*in Lake Wintergrasp for 60 silver. Of course, any of this information is subject to change before the expansion goes live.
More...