Cory Cat With Betta And 2 Snails

C

CODEABBY

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Jan 12, 2006
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I just set up 2.5 gallon freshwater tank that has a filter and light but no heater but the temp is staying around 75/76 with 1 red male betta, 2 gold snails, and 1 cory catfish. I had the betta and one snail in the tank about 1 1/2 weeks prior to adding the cory catfish and second snail and they were doing fine. My questions are:
(1.) The cory catfish that added yesterday was acting really weird both on the way home and after I added him to the tank. He was jumping in the aquarium and hitting the hood all day yesterday and even on the way home from the store he was jumping in the bag. Today though he seems to be kind of lifeless compared to yesterday. He is staying at the bottom of the tank and is really calm. Is this normal for him to act this way? If not could it be harmful for him to stay in the tank with the others if so I will move him out (2) Also, I have read that cory catfish need to be with other cory catfish or they get "depressed". Is this true and if so how many can my tank support with my other occupants?
Sorry for such a long post but I really need some advice. Thanks!
 
I highly recomend getting a second cory. That tank sounds a little small for 3 fish. I would look into getting a larger tank and a friend for your cory.
 
Also, I have read that cory catfish need to be with other cory catfish or they get "depressed". Is this true and if so how many can my tank support with my other occupants?
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It's true, and I can say that from experience. I only bought one (sohuld've done research :sad: ) and he wasn't happy.

Unfortunatley, your tank is too small to get more fish, consider buying a larger tank.

As for why the cory was going crazy, he was probably just scared and excited from moving and not having any other cories to hang out with.

Freddy :dive2:
 
Cories prefer being in groups, and, according to the Species Profiles, need a minimum of 5-10 gallons, depending on the type of cory. So 2.5 gallons is really too small...especially if you add more cories.

What are the test results of your tank water? This is a really new set up, correct? Your cory could be jumping to escape uncomfortable water...what are your ammonia and nitrite readings? Eventually, exposure to ammonia and nitrite can negatively impact your fishes' health. You'll need to do frequent water changes, as your tank cycles, to keep those levels in check.

Finally, I would recommend having a heater on your tank. It will ensure that the water temp stays within the proper range for your tropical fish.
 
Cories generally go crazy at first but that tank is way too small for it. A group of 3 min is the absolute min you should have, more if space allows. I raised my crew in a 10 gallon and they did fine, but are now in a 29 gallon tank and are so much more active. Cooler temps are fine for cories. They also need sinking tablet food.
 
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