How to FishGAME FIELD GUIDE
BOSS LAB / Forest

How to beat Giant Piranha

Use Modified Leech (3 ground leeches) on Forest. Use a pistol on the add wave; throw dynamite only when the pack clumps and step away.

Community tested. Boss bait and tactics are compiled from Steam achievement context and linked community walkthroughs. Last checked August 2026. Read the sourcing policy.
Giant Piranha encounter in How to Fish
Giant Piranha / ForestCommunity tested
Practical answer first

Sweep the Forest ground, hand in 3 leeches at the lake NPC, then equip the modified lure. Use a pistol on the add wave; throw dynamite only when the pack clumps and step away.

LocationForest
Required baitModified Leech (3 ground leeches)
Reward / hand-inSkeleton to lake NPC

How to summon

Sweep the Forest ground, hand in 3 leeches at the lake NPC, then equip the modified lure.

Attacks and stun windows

Add wave; close-range bite.

Solo plan

Keep food space and avoid shotgun reload downtime.

Co-op plan

One player clears adds while the carrier protects the skeleton.

RELATIONSHIP GRAPH

Connected field notes

ForestISLANDModified Leech (3 ground leeches)BAITFull fight write-upGUIDEBoss labDATABASEI'm stuckHELP