snail for oscar

[WyldFya]

The sharp ends of these extremely hard snails can puncture organs, or rip gill tissue.

 

[cvermeulen]

The sharp ends of these extremely hard snails can puncture organs, or rip gill tissue.

Ouch how common a problem is this? should I rethink putting MTS in a tank that may house predatory fish?

 

[WyldFya]

I wouldn't worry about it, as the fish has to actively eat them, and it isn't terribly common, but it does happen occasionally.