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FAQs on the Zebra Danios Foods/Feeding/Nutrition

Related Articles: Barbs, Danios & RasborasA Barbed Response; Wrongly maligned for being fin-nippers, barbs are in fact some of the best fish for the home aquarium by Neale Monks

Related FAQs:  Zebra Danios 1, Zebra Danios 2, & FAQs on: Zebra Danios Identification, Zebra Danios Behavior, Zebra Danios Compatibility, Zebra Danios Selection, Zebra Danios Systems, Zebra Danios Health, Zebra Danios Reproduction, & Barbs, Danios, Rasboras 1, Barbs, Danios, Rasboras 2, B,D,R Identification, B,D,R Behavior, B,D,R Compatibility, B,D,R Selection, B,D,R Systems, B,D,R Feeding, B,D,R Disease,

Fats Danio/Domino...

GloFish concerns
I have a concern about my GloFish. It has had a "fat" appearance for several weeks, probably close to three months. Initially I thought it was full of eggs, but since I pretty much watch for eggs everyday and haven't seen anything for this length of time, I'm not sure if this is the issue anymore. Is it sick?
<Might be.... is the fullness symmetrical about the body? What foods do you use? What other livestock is present? What water quality test results do you have to share? Bob Fenner>
What can/should I do at this point? Thank you.
--
Very Respectfully,
Sharonda Miles

GloFish concerns /Neale       7/1/16
I have a concern about my GloFish. It has had a "fat" appearance for several weeks, probably close to three months. Initially I thought it was full of eggs, but since I pretty much watch for eggs everyday and haven't seen anything for this length of time, I'm not sure if this is the issue anymore. Is it sick? What can/should I do at this point? Thank you.
-- Very Respectfully, Sharonda
<Hard to say for sure, but a good first guess is some type of internal bacterial infection causing Dropsy. Danios are a little bit prone to this, oddly enough, especially in small tanks. Antibiotics are usually the best bet here, such as API Furan-2. Treat as indicated, remembering to remove carbon from the filter (if used). The use of Epsom Salt alongside the antibiotics is a cheap but very effective supplement; 1-3 teaspoons per 5 gallons/20 litres is about right. Epsom Salt also happens to help against constipation, which is the other reason fish swell up, so using it with the antibiotic is a clever way to deal with both possibilities. Good luck, Neale.>
re: GloFish concerns /Neale

Yes the fullness is symmetrical (I attached a picture of him, of the four Glo fish pictured he's the blurry one, but you can still see his belly). I use the flake food for the Glo fish that came with the tank. I have three other Glo fish and a catfish (I attached a picture of the catfish). I haven't tested the water quality. Honestly I never thought to nor do I know how.
<The "dip strips" are inexpensive, easy to use and adequately accurate.
Nitrite and pH are the two "must haves" so far as environmental measurements go. Agree that the Danio looks off; Dropsy is likely. Review previous email and act accordingly. Cheers, Neale.>
re: GloFish concerns      7/1/16

<.... seven megs of files...>
Yes the fullness is symmetrical (I attached a picture of him, of the four Glo fish pictured he's the blurry one, but you can still see his belly).
<...? Are these all Gymnocorymbus? Or is one a Danio? >
I use the flake food
<This is likely the cause of the "fatness" here. Mix in some frozen, perhaps live foods>

for the Glo fish that came with the tank. I have three other Glo fish and a catfish (I attached a picture of the catfish).
<These Pictus may eat your Tetras, Danio... is that an African Cichlid there too? Incompatible>
I haven't tested the water quality. Honestly I never thought to nor do I know how.
<Take the time to educate yourself. Your livestock relies on your knowledge applied actions. Bob Fenner>

Dwarf gouramis and zebra Danios 4/24/2010
Hey there from Australia!
<Hello to you from the East coast of the U.S.!>
My name is Jess, and I have kept tropical fish on and off for years, though a few months ago I bit the bullet and went all out to get a nice setup. I have a 4ft (approx 200L) tank which is very heavily planted with driftwood and rocks. The driftwood has been leaking colour (as expected) so I have been making 30-50% water changes approx every 10 days. I am yet to get a canister filter, so I'm pedantic about changing the carbon and sucking up grunge from the gravel frequently.
Onto the fish! I have 7 zebra Danios (4striped, 2 leopard and one is white/gold in colour), 3 male dwarf gouramis, a large red tailed shark
<Do keep your eye on this last... can be very aggressive>
and one Bristlenose (my2yr old bristle died recently :( )
Firstly, the dwarf gouramis. When I first got them about a month ago, the blue one (there is a blue, blue/orange and orange) was bullied, and his dangly fins eaten. They have since grown back well. About 1-2 weeks ago the pecking order completely reversed, and now he (blue) is dominant and as much an eater as my zebras. The other two love to hide and come around to have a little dig, only interested in food that falls right in front of their faces. One of them (orange/blue) has just started to swell up evenly on either side in his upper half close to his fins - I would take a pic but the plants block my view. I have used some Epsom salts and just added some Metronidazole this morning on advice from my fish store. Is there any chance this is more than swim bladder?
<Yes>
I have also placed some peas in the tank (which the shark loved) though this guy is yet to touch them. Does this sound genetic? Because only a few weeks ago he was boss!!
<Colisa gouramis, particularly C. lalia have many troubles... Read here:
http://wetwebmedia.com/FWSubWebIndex/dwfgdis.htm
and the linked files in series above>
Now my zebras. The zebras have been here for about 3 months, and eat like little pigs, swimming at the top of the tank all the time - the happiest fish I have ever had. I got some brine shrimp this morning for the first time to mix up their diet. I put in a considerable amount, say 1/3 of a cup.
<!? This sounds like a bunch!>
They went crazy, and gobbled them up though one of them seems to have severely overeaten. His stomach is bulging so much that I can't believe he hasn't exploded!! This was definitely caused by the eating, though he is the only one to have pigged out this much. He did spit out a little, though I had a sports game I had to go to so haven't seen much else. He still wants food - I walk past the tank and he swims up eager for more!! I am worried he will die from overeating - should I quarantine him to make sure he doesn't eat for a couple of days?
<Just leave be, feed all sparingly from now on>
Thank you so much guys, this is an awesome site!
Ps I test my water regularly, and got my aquarium store to check it as well and it came up 100%
<Objective information is preferable>
so it can't be anything to do with the water, which is about neutral ph (slightly alkaline I think) and 23 degrees Celsius.
<Bob Fenner>

Zebra Danios don't look right   8/24/08 Dear Wet Web Guys: <Coleen> I have attached an image to show you how fat some of my zebra Danios have become, but these fish won't stay still for a photo and the lights  not right. Sorry. It looks like the works of a Dutch Master. <Hey!> I initially thought this fish was "with eggs", but as she has remained big for months without change, I am wondering if she is less than healthy. Perhaps I have overfed her (and if so does she need a "diet"). I feed them Tetra Min flakes twice a day - only so much as they finish in 2 minutes. They don't really eat that much. (My growing female guppies in another tank can out eat them hands down on any day of the week). <Mmmm...> I am beginning to think it might be a more sinister problem - Is it possible that several things I have noticed are coming to suggest another problem? <Is mostly a matter of diet here...> Cracks in their skin: For example, I notice that larger of the six Danios I keep in this 10G tank have apparent cracks in their skin (especially underbelly). Dark Spots: I have also just recently noticed several indistinct dark spots on the head of another fat girl. (I think they are girls, more silvery) I believe the spots are a new development for this particular fish as I have not noticed these before yesterday. Tail ends drop down: Their tail end drops down when they pause from swimming. Perhaps just aging? I don't think so: I wondered if my zebras might just be getting old, but I haven't had more than a year and they were all svelte when I bought them. Tank set-up: Over the back filter which I turn off at night. Aerating with oxygen wand, no heater in tank. Central air in the house kept at 79. Aquarium planted with low-light plants and with substrate of laterite, 3mm gravel and Eco-complete and some Mopani driftwood. Using tap water treated with Tetra AquaSafe and tsp API aquarium salt per 10G with 1/3 water changes every week. <Good practice> Today's Quick Dip Test Results: pH 6.2 KH 40 ppm Cl 0 ppm GH 75 ppm Nitrite 0 ppm Nitrate <20 ppm Thank you for any insight you can provide regarding these problems. Coleen <I do think that simply changing their diet will result in slimming, improved health here. I encourage you to feed frozen/defrosted once per day (the AM likely) and the Tetra the evening meal. Brine shrimp or Daphnia are my choices for the bfast meals. Bob Fenner>

 



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