From Valve Developer Community
func_fish_pool is a point entity available in all Source games.
It creates a school of interactive fish that swim near this entity.
- World model
- The fish model:
Note:The default model, models/Junkola.mdl, won't work properly. Use one of the following models instead.
models/props/de_inferno/goldfish.mdlgives a river fish.
models/props/cs_militia/fishriver01.mdlgives a Piranha.