Zebra Danio shaking, no appetite - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 3 Old 10-18-2011, 05:45 PM Thread Starter
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Zebra Danio shaking, no appetite

Here are the specs on my tank: 15 gallon tank, heated to 76, filtered. Live plants, gravel substrate. 25% water changes once a week (conditioned, plants fertilized).

Ammonia: 0
Nitrite: 0
Nitrate: 40 ( I know this is a little high, I'm working on keeping it lower)
pH: 7.6
moderately hard water

Stock: 4 zebra danios, 4 false juli cories, 1 male sunburst platy, 1 tiger nirite snail. They have all been living happily in the tank together for 6 months, no problems that I'm aware of.

The problem:

One of my danios, the smallest one, is acting weird. His dorsal fin has been down, he's had no appetite for 2 days, he's been "hiding" a lot at the bottom and staying away from the others, and he will often stay very still except for what looks to be involntary pulsating, like a little fish seizure.

There's no outward sign of disease that I can see, and I've never seen a fish shake like that involuntarily.

Any thoughts on what this could be? None of the other fish are acting strangely at all, and this guy just started yesterday.

Thanks!
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post #2 of 3 Old 10-18-2011, 06:07 PM
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Quote:
Originally Posted by tf1265 View Post
Here are the specs on my tank: 15 gallon tank, heated to 76, filtered. Live plants, gravel substrate. 25% water changes once a week (conditioned, plants fertilized).

Ammonia: 0
Nitrite: 0
Nitrate: 40 ( I know this is a little high, I'm working on keeping it lower)
pH: 7.6
moderately hard water

Stock: 4 zebra danios, 4 false juli cories, 1 male sunburst platy, 1 tiger nirite snail. They have all been living happily in the tank together for 6 months, no problems that I'm aware of.

The problem:

One of my danios, the smallest one, is acting weird. His dorsal fin has been down, he's had no appetite for 2 days, he's been "hiding" a lot at the bottom and staying away from the others, and he will often stay very still except for what looks to be involntary pulsating, like a little fish seizure.

There's no outward sign of disease that I can see, and I've never seen a fish shake like that involuntarily.

Any thoughts on what this could be? None of the other fish are acting strangely at all, and this guy just started yesterday.

Thanks!
You should try to get him out of your main tank. Even a bucket with an airstone can work for a short time. Could be an indication of parasites, and you may need to treat. Best of luck. At least isolated he won't feel as stressed and won't infect others, possibly.

Just because animals can't talk, does not mean they should not be heard
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post #3 of 3 Old 10-18-2011, 07:59 PM
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Quote:
Originally Posted by tf1265 View Post
Here are the specs on my tank: 15 gallon tank, heated to 76, filtered. Live plants, gravel substrate. 25% water changes once a week (conditioned, plants fertilized).

Ammonia: 0
Nitrite: 0
Nitrate: 40 ( I know this is a little high, I'm working on keeping it lower)
pH: 7.6
moderately hard water

Stock: 4 zebra danios, 4 false juli cories, 1 male sunburst platy, 1 tiger nirite snail. They have all been living happily in the tank together for 6 months, no problems that I'm aware of.

The problem:

One of my danios, the smallest one, is acting weird. His dorsal fin has been down, he's had no appetite for 2 days, he's been "hiding" a lot at the bottom and staying away from the others, and he will often stay very still except for what looks to be involntary pulsating, like a little fish seizure.

There's no outward sign of disease that I can see, and I've never seen a fish shake like that involuntarily.

Any thoughts on what this could be? None of the other fish are acting strangely at all, and this guy just started yesterday.

Thanks!
You should try to get him out of your main tank. Even a bucket with an airstone can work for a short time. Could be an indication of parasites, and you may need to treat. Best of luck. At least isolated he won't feel as stressed and won't infect others, possibly.

Just because animals can't talk, does not mean they should not be heard
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