not moving

please help! I’ve had my Betta since March and he is in a 6.5 gallon tank, no other fish just him and live plants. The day after Thanksgiving he stopped eating. After 4 days I did a 50% water change, although his water had recently been changed 2 days before Thanksgiving. He has had like one...

I recently bought 2 nerite snails and both of them are in an almost cycled 3.5g tank with a betta. I dont have a heater but I'll get one soon. The temperature is at 72. One of the snails moves and eats on algae from another tank. The other one doesn't do anything but he is alive because I...

Hello, I got my first betta (Mr Fiji) yesterday, I'm new to owning fish and I'm a bit worried because he's spending most of his time at the top of his tank. He was healthy when I got him (despite being kept in a tiny betta bowl): he had a bubble nest going and no fin or tail rot, and yesterday...

Hello! We have had our fish for about a month now, and my mom changes the water once a week. She doesn't perform a complete water change, but she does change most of it. Ever since she's changed the water a couple of hours ago, our fish has not been moving at all. We gave the bowl a couple of...

  Dear friends,   The day before yesterday I bought 3 dalmatian mollies for my tank. I noticed that sometimes my mollies (one in particular) move to the surface, where they just 'float'. He won't move and he won't eat. When opening the lid, the one molly I'm worried about will move and swim...

Hello. i purchased a male swordtail from walmart. he is living in a 10 gallon with lots of other fish. for some reason, he always hides either in front of or behind a large lava rock, or near the top by the filter and he just sits there for hours, wiggling. ive had him for about a week and a...