So starting yesterday my female betta, Cass, has been acting weird. She usually explores her tank with gust, going all the way to the bottom, in and around her plants, doing her fishy thing. She also always comes to the glass and sort of "dances" for me whenever I'm nearby. But now she slowly...

Hallo, Community. My fish Fin isn't an aggresive one, but he does and will nip at other fish. Right now he is in a tank about 2gal., and he has a couple plants and a sand castle decoration. Will anything go well like this? I would like to breed, but I know I'm going to need a bigger tank for...

Charging headlong into danger, as ever, it's Norichan. Mongkut is an easily bored fish, so I bought him some platies today. I gradually gave him more access to them until now, they've been in the tank for about ten minutes without the bag or net. He seems almost offended? I've kept a careful...