strange behavior

Ok there's a lot here so bear with me. About a week and a half ago I finally was able to get a 10 gallon aquarium for my betta (he'd been in a 1 gallon so I thought he'd like this one--he didn't). And about a week into introducing him to the new aquarium I added some other buddies (a pleco, an...

I got a male betta a few days ago and I'm keeping him in a 2 gallon tank for now. (will upgrade soon) Anyway, he seems healthy and has been eating, but I noticed a change in behavior today after adding a filter as well as a cory catfish to the tank. A couple hours later, the betta began swimming...

Housing What size is your tank? 2.5 What temperature is your tank? 79 Does your tank have a filter? No Does your tank have an air stone or other type of aeration? no Is your tank heated? yes What tank mates does your betta fish live with? none Food What type of food do you feed your betta...

So I very recently bought three little guys from the same exact pet store. All of them are under the same sort of conditions, these 3 I bought plus the one I had. My first betta, along with two of the new ones, act completely normal and content with life, but my third new one is very odd. It...

Hello! I got a Betta a couple of days ago and he has been acting weird ever since. His behavior includes: 1 - Wedging himself between plant leaves and just staying there for hours upon hours. 2 - When he does come out, he swims around in short little bursts. He darts around for a couple of...

Houdini is a very strange cat. While his brother lounges in the window or on a comfy bed, this inquisitive creature would rather be staring at the fish tank. He bats at the fish through the front of the tank, perches on the stool to stare at them up close, and when that's not good enough, he...

Hey guys, so my betta has been doing this strange thing where he is swiming near the top of the tank and then he'll freeze and float to the bottom, collapse and remain motionless for about 10 seconds. Is my betta passing out? Here is his info: Housing What size is your tank? 10 gal. What...

Hi again everyone. I am really not sure if Claude is sick or not, but I figured there is no harm in describing what he is doing and seeing if anyone here has some insight. He is in a 10 gallon filtered tank, with a baffle on the filter to reduce current. The tank is part planted with live...

Basic Info: 10-gallon tank 7 plastic plants a couple of rocks and a lot of gravel 1 divider 1 blue male betta fish and 2 female betta fish Things to consider: My room is a bit cold, and my 10 gallon tank doesn't have a heater. I tend to have the curtains pulled back, so the sunlight can hit the...