Blacktip Shark

Source
This item was caught during the Kalu'ak Fishing Derby from any fishing pool that would normally contain Pygmy Suckerfish. The first person to turn this fish in to Elder Clearwater in Dalaran would win the event; subsequent sharks could still be turned in for consolation prizes.

Objective of

 * Kalu'ak Fishing Derby (quest)
 * Better Luck Next Time (quest)