Fat zebra danio
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Fat zebra danio

This is a discussion on Fat zebra danio within the Tropical Fish Diseases forums, part of the Freshwater Fish and Aquariums category; --> I have a zebra danio and a black skirt tetra in a 10-gallon planted tank. The danio was originally in my 55-gallon, but he ...

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Old 07-13-2007, 12:52 AM   #1
Julie's Julies's Avatar
Fat zebra danio

I have a zebra danio and a black skirt tetra in a 10-gallon planted tank. The danio was originally in my 55-gallon, but he was getting picked on and so I moved him to the smaller tank. When I first moved him, he was skinny, not eating well, and looked rather poorly. Now he is huge - he's so fat he looks like he's ready to explode!

I am curious: am I over-feeding him, is he (or rather she) carrying eggs, or is something else to blame? The black skirt inhales everything I feed it, so it is quite possible that while he's taking in all he can that the danio is gorging himself at the same time.

Anyway, I am attaching three pictures. The first was taken two days ago; the second was taken this morning and shows the size increase in just a day; and the third is a side shot taken this morning as well. In the side shot it almost looks as though the right side is a little bulgier than the left, but I cannot tell if this is really the case or not.

Any input is greatly appreciated.

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Old 07-13-2007, 12:57 AM   #2
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Looks perfectly healthy to me without any visible signs of protruding scales. Danios are very easy to breed. This is only guesswork although I'm sure your danio is a female full of eggs.
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Old 07-13-2007, 08:26 AM   #3
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I would agree with Lupin - the danio does look healthy enough in the photos.

That last picture made me laugh when I saw it - the danio has such a grumpy expression
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Old 07-13-2007, 10:32 AM   #4
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Looks just like one of my Danios! Appears to be fine.

Any other symptoms besides the large belly? Rapid breathing, sluggishness, clamped fins...?
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Old 07-13-2007, 11:58 AM   #5
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Whew! I am glad. He - or I guess she - is just fine other than being fat. No clamped fins, swims just fine, and is alert as always. How long will it be before she lays her eggs? Will I be able to see the eggs, or will she and her tankmate eat them before I ever notice?
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Old 07-13-2007, 12:12 PM   #6
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Just confirming what everyone else as said. When i had my 6 zebras, 5 of which looked like this.
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Old 07-13-2007, 02:41 PM   #7
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You may or may not see the egg laying when it happens if it happens. If there is no male the female may just absorb the eggs instead of laying them.
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Old 07-13-2007, 03:22 PM   #8
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hi,iv got a zebra danio JUST like that.its been like that for 2 years.i think its just fine. :)
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Old 08-30-2007, 04:29 PM   #9
giant danios

you will deffinately enjoy your danios in higher numbers. I have an 80 gal tank that only has danios in it. 27 to be exact. I always have danios with my larger fish for excercise as well. they cant be caught during the day but my flowerhorn and red devil learned quickly that danios eyes dont adjust quickly when you turn the lights off. thats when you will lose fish :( but i love my all danio tank. i can just sit back and watch them play with eachother for days. i cant wait until they get to be 5-6 inches each. i cant imagine
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Old 04-20-2009, 01:01 AM   #10
Here's is pic of my "healthy" hunchback danio.....

It started growing a belly that became a hunchback... swims and eats normally, chases others... no other signs of unhealthy behavior.... and more importantly: it's been like that for almost a year!

Other danios (2 more) are kinda fat... but not to that extend.

What is it? Too much food? eggs?... parasites?

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