Fish (mob)

Fish are a planned passive mob. In the Halloween update, Notch said he would add fish. However, he had limited time, and was thus only able to add them as an item. While there may be a coding for the fish in the game itself, there is not a model that currently exists.

The fish can not be seen even if you go fishing.

Fish will be added in minecraft 1.0 or a early 1.9 pre release.

At MineCon notch talked about the mob fish. He said it will be implemented in a early update. 1.9 pre release 6 would be the early update or 1.9 pre release 7.