I believe it is this food:
It weighs 12.50 oz.
Attributes: Edible. Groupable item.
Added: 12.20.0000 (July 30, 2019).
Notes: This item can be traded by the Market.
When placing on a Campfire a Stockfish is obtained.
Regeneration: A Bass will regenerate hp / mana for 840 seconds (making you 70% full).
This item is possible to obtain through tasks of an event, the Orcsoberfest Island. The website is part of a semi-annual event that takes place between the 2nd Friday, March 3rd, Monday in March and the 2nd Friday, October 3rd, Monday in October and can only be accessed during this period.