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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 ...
trond hansen's user avatar
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11 votes
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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 ...
user11111111111's user avatar
10 votes
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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. ...
Elmy's user avatar
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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 ...
Henders's user avatar
  • 5,125
8 votes
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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 ...
lila's user avatar
  • 195
7 votes
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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 ...
Elmy's user avatar
  • 33k
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 ...
Flummox uses codidact.com's user avatar
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 ...
trond hansen's user avatar
  • 19.6k
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 ...
Samu's user avatar
  • 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 ...
Arcite's user avatar
  • 645
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.
James Jenkins's user avatar
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,...
Diether's user avatar
  • 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 ...
Murilo's user avatar
  • 511
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 ...
Flummox uses codidact.com's user avatar
4 votes

Plants for dirty/algae ridden goldfish aquarium

Underwater plants in the Elodea genus do grow fast and absorb lots of nutrients. They are good oxgenating plants that absorb CO2 and this is positive for your fish. Goldfish will probably eat some of ...
trond hansen's user avatar
  • 19.6k
4 votes
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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 ...
Elmy's user avatar
  • 33k
4 votes
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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 ...
Manuki's user avatar
  • 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 ...
trond hansen's user avatar
  • 19.6k
4 votes

What is this lump on my goldfishes head?

Update on the lump: I consulted some of the notes and websites that one of my lecturers gave me (I am a veterinary medicine student) and decided to treat it with a fungal treatment. It improved ...
Katie's user avatar
  • 111
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....
Omar Saadoun's user avatar
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, ...
Pam's user avatar
  • 606
3 votes

Can I switch from using distilled water to tap water in aquarium?

It depends. As others have mentioned, the quality of water in different places is always different. To determine if your water is suitable for aquarium usage, run a battery of tests with the water, ...
rlb.usa's user avatar
  • 2,516
3 votes

Can I switch from using distilled water to tap water in aquarium?

Short answer: No Longer answer: But you should probably not do this change at once. The fish might need some time to adjust to the 'new' water. And you should never do a 100% water replacement ...
Diether's user avatar
  • 1,285
3 votes
Accepted

Can goldfish eat sea lettuce?

Sea lettuce might be given to goldfish, but only in a small quantity; this is to avoid it going bad before it is eaten. Sea lettuce is not toxic if fresh and it contains minerals and vitamins that are ...
trond hansen's user avatar
  • 19.6k
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 ...
Iqbal Khan's user avatar
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 ...
Diether's user avatar
  • 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 ...
Ajali's user avatar
  • 321
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 ...
Rebecca RVT's user avatar
  • 12.6k
3 votes
Accepted

Goldfish die in hours

No, the pump is not the reason your fish die. Please test your pond water and tell us these parameters: pH, nitrite and ammonia. These are the most important parameters of the water, you might get the ...
trond hansen's user avatar
  • 19.6k
3 votes
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Can I use these medicines for my sick fish

They are both safe products so long as you have a filtered aquarium (choose one product, do not mix both). Be sure to read the instructions carefully as some aquarium remedies require you to remove ...
Rebecca RVT's user avatar
  • 12.6k

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