Burnt fish (trout)

Burnt fish is the result of accidentally burning either raw trout, raw cod, raw pike, or raw salmon.
 * Cooking trout requires 15 Cooking and stops being burnt at level 50.
 * Cooking cod requires 18 Cooking and stops being burnt at level 52.
 * Cooking pike requires 20 Cooking and stops being burnt at level 64.
 * Cooking salmon requires 25 Cooking and stops being burnt at level 58.

The burnt fish has no use whatsoever, although you can unsuccessfully attempt to eat it. Like most other burnt food, it is tradeable to other players but not on the Grand Exchange.

A hidden update on 4 March 2013 made all burnt fish stackable.