17 votes

Goldfish unresponsive, what should I do?

Your goldfish has ammonia poisoning. First aid for this is to change 50% of the water at once. You need to change 20% of the water on day 2 and day 3, and from day 4 you need to change 10% water ...
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  • 18.8k
11 votes
Accepted

Dried goldfish became alive after re-introducing into water

Goldfish can live for up to three hours out of water. It also depends on where your goldfish lands. If they landed somewhere moist or in the puddle of water they spilled out of their bowel, they can ...
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10 votes
Accepted

How can I get rid of a goldfish

You should NEVER release unwanted pets into nature. There are several reasons why this is the worst possible action: Exotic pets have the tendency to survive better than anyone would have assumed. ...
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  • 28.9k
9 votes

Goldfish behaviour after medication

Treat the fish for Ammonia poisoning If it's been any length of time since you took all the gravel, filter, water out and replaced them, you need to do two things: Check the ammonia levels in your ...
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  • 5,125
8 votes
Accepted

Fish swimming with mouth always touching the water surface

Fish swimming with their mouth constantly glued to water surface is a sign that they are gasping for breath. However, the reason for them being short for breath usually isn't the low oxygen ...
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  • 105
7 votes
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Goldfish coming to the top of bowl and releasing bubbles

I just went to the pet store and got an air pump and an air stone and installed them to my fish bowl. I observed that this solved 3 things :- Air bubbles trap some of the dissolved impurities and ...
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  • 181
6 votes

Help. A common goldfish living in 3 gallon tank

You are trying to do well by the goldfish. But 3 gallons is still very small for a fish. Your best steps now would be to get more information about fishes and aquaria. While the bigger the aquarium ...
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6 votes
Accepted

Can goldfish jump out of water?

Well, obviously there is a lot you can teach a fish ... I wouln't believe this myself if I didn't see it! Here's a video of a fish doing 10 different tricks in 4 minutes. Although, technically it's ...
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  • 28.9k
5 votes
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Goldfish with white spot/fungal infection/something else?

It looks like a fungal infection. It is common for pondfish to get this or other types of problems in the spring before the immune system of the fish starts working (it takes some time for the water ...
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  • 18.8k
4 votes

Temperature Range for Fancy Goldfish

You're correct about the oxygen. Warmer water dispels oxygen faster than cooler water. Sometimes the water returning from the filters is enough to add enough oxygen for fish, but sometimes it does ...
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  • 15.5k
4 votes

How can I keep my goldfish tank clean?

You can buy long-handled scrapers or hand-held scrapers with a steel blade. Something like this: http://www.drsfostersmith.com/product/prod_display.cfm?pcatid=26097 My husband uses the handled type ...
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4 votes

Cooling a goldfish tank during summer

Ice cubes are a good solution. I live in India where the temperatures go above 40 degrees Celsius for about 4 months of the year. Ice Cubes are what keep my fish alive. During these months my fishes ...
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  • 41
4 votes

Cooling a goldfish tank during summer

I have had the same issue last couple of years. I thought instead of making icecubes and treating etc also adding more water to the tank, I filled three 2ltr water-bottles and froze. No worries for ...
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  • 41
4 votes

How many goldfish can I put into a 55 gallon (210 liters) fish tank?

It seems that a common consensus from most goldfish-themed websites is 20 gallons (76 liters) for the first goldfish, and then 10 gallons (38 liters) more for each additional one beyond that... so in ...
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  • 645
4 votes
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Feed goldfish off-schedule or skip a day?

Yes, you did the right thing. There's no telling if the fish would have woken up to eat but most likely not, meaning that the food just sits in the bottom and detereorates, fouling the water more. ...
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  • 2,466
4 votes

Why do my goldfish keep dying?

Your tank is way, way too small. Fancy goldfish need about 20 gallons (about 75 liters?) for the first fish, and 15 gallons (56 liters) minimum for every fish you add after that--so a pair of fancies ...
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  • 116
4 votes

Is changing water daily in a fish bowl harmful to the fish?

It is in fact very harmful to put fish into an aquarium on the same day you've set up the aquarium. An aquarium needs to cycle before you can add any fish to it. More information about that here Also,...
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  • 1,285
4 votes

Is changing water daily in a fish bowl harmful to the fish?

Short answer: A bowl is too small for goldfish. They need at least a 21 gallon / 79 liters (80 cm length) tank with a good filter because they produce too many organic ...
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  • 511
4 votes

Looking for an automated aquarium

It sounds like what you need is DVD of an Aquarium. There are several varieties at Amazon or ebay as well as other retailers. No feeding, no cleaning, and no worries.
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4 votes

Goldfishes died first night

Welcome on Pets! First of, please research what goldfish need for an habitat before you buy the next ones. Wikipedia is good starting point. Please note that common goldfish can grow larger then 16 ...
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4 votes
Accepted

Can goldfish be trained?

Yes, it's possible to train goldfish to a limited extend. The Mythbusters did an experiment where they trained groups of goldfish to swim through a very simple labyrinth. The goal was to let the fish ...
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  • 28.9k
4 votes
Accepted

Can goldfish have opinions?

Animals certainly have "preferences". The color of the substrate can mean many things to them, one thing being the fact that they can "hide" near it or not. A dark fish will be "camouflaged" if it's ...
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  • 953
4 votes

What is this lump on my goldfishes head?

I think your goldfish has a virus infection. This might lead to a tumor forming later. The only thing you can do about this is to be sure the water quality is as good as possible and to elevate the ...
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  • 18.8k
4 votes

How to increase goldfish color?

The only way to improve a fish color for real is with good food with beta carotene, I remember tetra brand having some of them. You can check deeper information about that here: http://www.seacolors....
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4 votes

Is fish pecking at other fish a sign of parasites?

Too long for a comment, so an answer that might help future readers. How old are the fish? What sex? Sometimes pushing about is male fish trying to squeeze eggs out of female fish. In my experience, ...
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  • 606
3 votes

Reason for fish dying

Do you use faucet water when refilling the tank? If so then you should be using the de-chlorination tabs, or the little bottle of liquid that treats the water. Also a 2' by 1' tank for 4 goldfish can ...
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3 votes

Reason for fish dying

If you fish die fast, it obviously means there is something wrong. First of all, before you can add fish to a tank, it needs to 'cycle'. More information about that can be found in this answer: How ...
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  • 1,285
3 votes

Goldfish dropped on floor, then it started swimming upside down

It's likely that they've gotten brain damage and there is probably not much you can do about that, you would need to see an aquatic vet for a proper assessment. If you want to improve the quality of ...
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  • 311
3 votes

Can small snails bite medium size gold fish?

These snails are able to reproduce on their own so there's a few options to get rid of them. Setting up snail traps and removing them yourself, as you see them scoop them out. I.e placing a small ...
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  • 12.6k
3 votes

Black goldfish with its fin clamped down

If you got the fish fairly recently, the most likely answer is that they were in poor health already when you got them from the store. This is a very common issue and not all pet stores treat their ...
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  • 2,466

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