found this helpful The largest fish in the word is the Whale Shark "The whale shark , Rhincodon typus , is a slow filter feeding shark that is the largest living fish species." Sources: http://en.wikipedia.org/wiki/Whale_shark   Video http://www.youtube.com/watch?v=7KmMSCVJCIE Sign in to report abuse or send a compliment boothby171 63 months ago