3 years ago #1
erinclaree
Guest

A couple of weeks ago I got a new little goldfish friend and today he has started laying on the bottom of the tank. He is laying with his stomach on the ground and is still moving his fins and mouth. If I walk over to the tank or go to feed them, he will get energized and start swimming about but after about 20 minutes he will be laying on the bottom of the tank again, in the same spot under the filter. He has a lot of personality and I have grown attached to him already, I love him to bits and am starting to get worried.

Could he just be lazy and resting? Or maybe could I be over feeding him? He is always first to the food. The other two fish in the tank and looking healthy and fine.
Any advice would be really really appreciated!!

Posted on Cold Water Fish
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3 years ago #2
jlk
Wiz
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Hi! Can you provide some more info? What size is the tank? Did you cycle it? What are your exact numbers for ammonia, nitrite, nitrate & ph? How many/what type of goldfish? How often/how big are your water changes? What do you feed (brand/type food, other foods)? Bottom sitting in goldfish is usually indicative of a water quality issue. Answering the above questions will help us to figure out whats going on.

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3 years ago #3
erinclaree
Guest

It's a 20 litre tank with a filter and I do a 20% change every week. There are three fish in the tank, they're all little but I'm not sure on what specific type of goldfish he is :/ he has big eyes and it gold white and black.
I don't have a water tester but i use water conditioner and ager. And I feed him Marine Master Goldfish Granules.

It's just odd because he is full of life and swims around happily then will go lay on the bottom for an hour or so or until I go over to the tank, then he will be back full of life.

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3 years ago #4
jlk
Wiz
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Well, you have a few issues here. A 20l tank is only about 5gallons. The only fish suitable for this size tank would be a single betta or some shrimp/snails. Three goldfish will need a minimum of a 40g (150l) tank with 400gph (gallons per hour) filtration. They are very messy creatures that produce alot of ammonia and grow quite large with proper care & ideal conditions (as in up to a foot).

I suspect you have some serious water quality issues as well. Even if you changed all of their water every day, there isnt any possible way for this small of a tank not to have issues. Bottom-sitting in goldfish is a big red flag that something is seriously wrong with the water (high ammonia, nitrite and/or nitrate). I would suggest changing 50% of their water daily until you can upgrade their home. Make sure you temperature match & properly condition any new water. The sooner you can upgrade their home, the less likely they will suffer the effects of 'stunting' and the longterm damage of unhealthy water conditions. Investing a good liquid test kit such as the API freshwater master test kit will allow you to accurately monitor their water conditions & act accordingly. Please do not hesitate to ask any questions!

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