I wouldn't worry about it too much, just keep an eye on him/her, and see if it starts to get sick, or acts too oddly for it's personality. If something like that starts to happen, then take it in. Hope this helps, good luck.
Can Betta Fish Food Harm A Cat?
No it's not gonna hurt it.. It may have screwed up feces for a lil while, just be sure to get the lysol ready for abstract random sprayings... You never know!
I wouldn't worry about it too much, just keep an eye on him/her, and see if it starts to get sick, or acts too oddly for it's personality. If something like that starts to happen, then take it in. Hope this helps, good luck.
Considering the fact that cat's diet is most of the things it can chew,the cat will be okay,however your fish will be hungry lol