Hello I'm a newbie and I have a 30 gal with 3 tetras, 3danios,1 african swarf frog, 1snail, a few shrimp, and 2 algae eaters one- live plant-and a oversized filter.
I had several fish die recently about a week or 10 days after adding the frog .... I'm guessing that could've contributed. But I...