SOS My Betta is not eating

Oct 17, 2004
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New York
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#1
Please,
Can anybody give me advice? I just got a Beta from the pet shop like 2 Sundays ago to be exact. He ate the first day and everything was ok. But he has not eaten ever since :( that's like two weeks. He still swims around and is active. Also the tank is filled with bubbles, is that bad? He lives in a 1/2 gallon, is this enough space for him? What about the water temperature, is getting cold in NY am afraid his water temperature has change and this will affect him?
 

#3
yes, you should be worried about water temperature. Bettas are happiest at 76-80 with only a 2 degree variance. You need to find a way to keep his tank warmer.

A 1/2 gallon tank is pasable. But really he'd be happier in a bigger tank. I don't like to keep my bettas permanently in anything smaller than 2 gallons.

Sounds like the bubbles are from him building bubble nests...that's normal.

What are you feeding him?
 

Iggy

Superstar Fish
Jun 25, 2003
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Leduc, AB, Canada
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#5
Try freeze dried blood worms, if he will not eat that, then he is definately sick.

You cannot heat anything smaller than a 5 gallon tank effectively. The cost difference between a 5 gallon and a 3 gallon is usually less than $10.00 - well worth the larger tank size. A small 50w heater on a 5 gallon set at 78F would keep him happy and healthy.

When bettas get cold, they are more prone to health issues. In a 1/2 gallon tank, you should change the water every 3 days.

Bubble nests are natural behaviours for males, they build nests in hopes of finding a mate to breed with. Its a generally good sign.
 

CAPSLOCK

Elite Fish
Jul 19, 2004
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Cape Cod
#6
Actually, I bought a really picky betta quite a while ago. He refused all food for about 15 days. Then he decided he did, in fact, like bloodworms. I had tried them before, but he spit them back out. Now he eats fine.

Although a heated tank is more ideal, you shouldn't have a problem with him getting too cold. Bettas can do fine in an unheated bowl, as long as it is in a room that doesn't get insanely cold. If the room is comfortable for you, a heater isn't absolutely necessary.
 

Sep 30, 2004
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Indiana
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#7
My betta eats Freeze Dried blood worms and a brine shrimp or two every day or so. He's a bit picky too. Since I started feeding blood worms to my dwarf frogs (which eventually died :( ), my betta now almost refuses to eat Betta min flakes. He keeps spitting them back out. Some fish are just like that :) like people.
 

#8
You cannot heat anything smaller than a 5 gallon tank effectively.
Yes, actually you can. Hagen makes a 25w submersible heater that will heat 1 gallon tanks and up spot on. I have one in my 2.5 gallon betta tank and my 2 gallon hospital tank. And I know 2 breeders that use them in multiple 1 gallon tanks and swear by them. Whatever I set the temp to, it stays...no overheating, no underheating. Its perfectly possible.

Bettas can do fine in an unheated bowl, as long as it is in a room that doesn't get insanely cold.
Capslock- I totally dissagree...you will find that your betta will have many more health problems and a shorter life in a tank >75 degrees. And a tank can vary up to 10 degrees off of room temperature depending on shape and size. I don't know where you live, but I don't keep my house heated to warmer than 72 degress...so if i turn a heater off the temp drops to 69 or lower in the tank. and that's just too cold. Take a visit to healthybetta.com and get some betta specific information.