Linked Questions
17 questions linked to/from How does one effectively "cycle" an aquarium?
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What is the Nitrogen Cycle? What is 'cycling a tank'? [duplicate]
What is the nitrogen cycle and how does it effect keeping fish? What is 'cycling' a tank and how is it done?
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Aquarium is stuck on a nitrite spike
I am attempting a fishless cycle on a small, nano-planted tank that is getting stuck on extremely high levels of nitrite. The tank has been set up for about two weeks now.
I am not dosing ammonia. I ...
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Mixing African cichlids with goldfish
I have goldfish in a tank. I added cichlids 3 weeks after. They died over the weekend. I don't know if it was the heater I have in there or I could have overfed. My question is what do I do to next ...
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Is changing water daily in a fish bowl harmful to the fish?
I have two goldfish and have kept them in a fish bowl for now. As I do not have a water filter in there, should I change the water daily in the bowl? It does seem a bit dirty after a day, but I don't ...
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Why do my goldfish keep dying?
I have had a number of goldfish (three pairs of two) over the last six months or so. In all cases they have lasted about 2 months before dying. I have no idea what I'm doing wrong so here is all (...
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Reason for fish dying
I have a 2 feet by 1 feet (61 cm by 30 cm) aquarium, in which I keep about 4 to 6 fish. I don't know why, but whenever I keep fish in my aquarium they die within 1 to 2 months.
Initially I was ...
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Goldfish stopped eating after moving to a new tank, how to help them eat again?
I used to have a very small fish tank (can be seen in this older question), and finally upgraded it to much bigger tank, moving the fish into it.
In the old, small tank, the fish used to hover a lot, ...
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Something wrong with my betta fish fins
Hi, this is my betta fish, Aahan. I got him from pet shop on August 6th, 2019. He has no eating nor pooping problems, he is very active.
I’m noticing some change in his fins, namely wrinkled fin ...
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My fish are slowly sinking in the tank and then they die ....pls help
I am a noob in fish keeping and bought a 10 gallon aquarium 2 days back. It had 3 neon tetras, 5 guppies and 2 Indian glass fish.
On the first day one of my guppies started coming to he surface quite ...
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How do I treat a sideways laying betta fish?
I have a betta fish, which I have had for 2 years. A few months ago, my nephew got into its food (which I now keep up high) and dumped it into his tank. I cleaned the tank but not before he ate ...
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Is my guppy healthy? Its colour is weird
I just bought a male and female guppy, and the male guppy is really small, probably a month or two old. This is my first time getting a fish. The male guppy seems to have a black spot near his head. ...
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Bloated Zebra Danio
I got two zebra danios on Thursday. They've been doing just fine, but I just now noticed that they are both sort of bloated. Their stomachs look a little bigger, but they are swimming just fine. I ...
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Female guppies are fine, but male is sick
I recently got a 54L aquarium and stocked it with 4 small guppies - 1 male and 3 female. Initially they all seemed to be doing fine - eating, very active within the tank etc. The male looked great ...
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I got my first fish and tank and I have some questions
I bought today two fish and a small filtered tank (the size of a large bowl I guess).
There are lots of bubbles but no stream from the filter tube, the girl at the pet shop says it's okay since we can ...
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What happened to my betta fish?
I recently bought a platnium betta male who just passed. I had him in a tank with 2 mollies and a female betta, but they all seemed to get along perfectly. I do believe that I should've taken the ...
