deformed fish

I think it’s far too small to have swallowed a rock and too young to be pregnant. I don’t know what to do :(

Hi, yesterday I discovered my Molly gave birth, I found 4 teeny tiny little fry all hiding together so I scooped them up and put them in their own little hatchery. However, one of them I’ve noticed is struggling to keep afloat. It can swim, but it spends most of the time on the bottom. It’s...

Okay so a couple months ago my fish gave me a new batch of fry but one of them still had an egg attached. I thought it was going to die soon anyways so I just let it be but it's 4 months old now and she's still very much alive. So it doesn't seem to bother her but it also has more fins growing...

Since retiring and returning to fish keeping/breeding I have noticed trends that suggest bad practice by some commercial breeders/suppliers, possibly with the acquiescence of some retailers. We know the appalling practice of artificial colouring but points raised here make no direct accusations...