Very good questions. PS can safely eat snails (some) as they have pharyngeal teeth. The PS are not a vector for snails by consumption. See below. There are other threads on here also.

https://forums.pondboss.com/ubbthreads.php?ubb=showflat&Number=445938

Long thread on PS
https://forums.pondboss.com/ubbthreads.php?ubb=showflat&Number=431975&page=1

Dave Willis dis some study on SMB and PS in a pond in SD. Will try to find.
PS do have one issue that RES don't. PS can stunt in a pond if not managed.

Also use this site to find identified food items by species

https://fishbase.org/search.php

For example here is Rainbow Trout
https://fishbase.org/TrophicEco/Foo...mp;genus=Oncorhynchus&species=mykiss

and Brown Trout
https://fishbase.org/TrophicEco/Foo...p;genus=Micropterus&species=dolomieu

Last edited by ewest; 01/29/26 12:39 PM.