corydora help

Hello. We've had 3 cories for a while in a very healthy, planted, and well-cycled tank. One started to develop a growth on its gill, and it does not look fungal (i.e. no fuzzy texture). This was about 2 weeks ago. Since then, we have quarantined it and have treated the water with the following...

Hi, new fish keeper here. I have a group of six peppered cories in a 12 gal planted aquarium with some guppy fry. Had three to begin with and recently added another three to the group. One of the new ones has a bent spine and is behaving a bit odd. He is very inactive, but can swim ok when he...

Hi, I'm new to fishkeeping and have been loving it, however I am worried about one of my Corys. I have 3 in a 57 litre (12.5g) tank along with 6 neon tetras, 4 danios and a dwarf gouramis. A few weeks ago the smallest Cory disappeared and I couldn't find him. A few days later I found him stuck...