Our goldfish swims upside down

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What to do when you find your goldfish swimming upside down

One of our goldfish swims upside down! The first time I knew of it I heard a little voice ask "Mummy, why is the goldfish swimming upside down?" Oh-oh. That doesn't sound good. Is it going to be tears before bedtime?

When I saw this upside down goldfish, (yes, we had a goldfish floating upside down) I thought it would be floating lifeless by the next morning. But it wasn't. Although it did not seem too uncomfortable, I assume that it must have been rather disorientating for the poor thing and me being me headed off to the PC to "Google" the phrase "upside down goldfish".

This lens discusses what I learned about swimbladder problems and upside down goldfish and how I cured my poor sick goldfish.

Lens photo reproduced under the GNU_Free_Documentation_License
by permission of Manuel Anastacio

Before you ask: "Why worry about a fish?" 

Fish are extremely intelligent beings!

Cat Fish (funny commercial)

curated content from YouTube

Swimbladder problems 

Why do goldfish swim upside down?

Fish losing their equilibrium and being unable to maintain their position is usually caused by swimbladder problems or swimbladder disease. This may result in the fish being unable to stay upright, swimming strangely or awkwardly and lying upside down in the bottom of the tank or in plants. Or the goldfish is floating upside down.

Goldfish swims upside down
Goldfish swimming upside down
© aj2008


The swimbladder is an air-filled sack that is located just under the fish's vertebrae, just at the top of the abdominal cavity. The fish maintains its buoyancy and adjusts its position in the water by inflating and deflating the swimbladder.

The swim-bladder can be affected by various diseases or it may just play up, causing problems with over or under inflation. Anything that affects the normal functioning of the swimbladder is going to cause huge problems for the fish.

However, it's not just swimbladder disease or problems that can cause difficulties with the fish' equilibrium as there are diseases of the other organs that can also affect the fish, such as in the kidneys or the intestines. If the affected organs are swollen then they can cause pressure on the swim-bladder. This is often a problem with fancy goldfish, where the body cavity is abnormally short compared to the size of the fish.

Two goldfish were in their tank.
One turns to the other and says:
"You man the guns, I'll drive."

Anatomy of a fish 

May help you understand why you have a sick goldfish

Anatomy of a fish
reproduced under Creative Commons License Share Alike 2.5
by permission of Uwe Gille



Key to diagram

1 liver
2 stomach
3 intestine
4 heart
5 swim bladder
6 kidney
7 testicle
8 ureter
9 efferent duct
10 urinary bladder
11 gills

Possible treatments for Swimbladder 

Why do goldfish swim upside down?

Treating a sick goldfish is extremely difficult and they often die before you have had time to diagnose the problem. The fish may be constipated and as it can hardly tell you the last time it "went", you are going to have quite a task trying to establish if it is "going" regularly. The only way you can tell if a fish may be constipated is if you see long strands of poo hanging from it.

I saw one website that suggested a series of anti-biotic injections may help if it is a swimbladder disease or infection - whaaat? Can you imagine it? Working out what to put it in so you can drive it to the vet and praying that you don't have to do an emergency stop on the way!

This same website said a report suggested "wedging" the fish upright between two objects and that this report was helpful. Whaaat? (Again!)

What two objects do you wedge it with? Hang on, I'll just go and get hubby's vice out of the shed!

One of the more sensible suggestions I saw, was that if you think your goldfish is constipated then put it in a bath of Epsom salts - 70g per litre for 5 minutes, which will act as a laxative. But please remember to use water from the fish tank not the tap, or you may cure the constipation but you will kill it with the chemicals in the tap water!

The problem with that suggested treatment was we did not have any Epsom Salts in the house. Why is it whenever you need a remedy, it is midnight and all the shops are closed?

Module photo: © aj2008

Guides to keeping goldfish 

How to keep your goldfish healthy

Fancy Goldfish: Complete Guide To Care And Collecting

Amazon Price: $26.37 (as of 12/15/2009) Buy Now

Aquarium Care of Goldfish (Animal Planet Pet Care Library)

Amazon Price: $9.31 (as of 12/15/2009) Buy Now

Today's Essential Guide to Keeping Goldfish: The Aquamaster Series

Amazon Price: $9.95 (as of 12/15/2009) Buy Now

Goldfish Breeding and Genetics

Amazon Price: (as of 12/15/2009) Buy Now

Goldfish: Your Happy Healthy Pet

Amazon Price: $12.99 (as of 12/15/2009) Buy Now

Books on caring for goldfish for UK visitors 

Link to Amazon UK

What do you call
a fish with no eyes?

A fsh

The treatment I used to help our upside down goldfish 

Frozen peas

Yes, frozen peas! We always have a supply of those as it is one of the few vegetables that Lizzie will eat (dear sweet child!) All you do is run the peas under the tap to defrost them, peel off and discard the outer skin as it is too tough for the fish to be able to digest and crush them up into small pieces. Feed the peas to the fish.

The first time I "treated" our sick goldfish, it could not get to the peas as they sank to the bottom of the tank. So I got out the smaller goldfish bowl that I use to put the fish in when I am doing a major clean of their tank. As there was less water in the bowl, the fish had less buoyancy, so he was able to feed off the bottom. Once it had eaten the peas, he was fine within a couple of hours. The recovery was extremely rapid.

Cured-goldfish
The goldfish is not sick anymore!
© aj2008



Why did the peas work?
The peas help because it is believed that they clear out the fish's digestive tract by removing food blockages and trapped air. The standard flaked food we give our fish has a lot of protein which can lead to goldfish constipation.

T-Shirts for fish lovers 

T-Shirts for fish lovers in the UK 

Link to Amazon UK

Preventing swimbladder problems from recurring 

A varied diet is the answer

"Mum, the fish is swimming upside down again!"

Just recently, the fish started swimming upside down again. So I went back onto the net and did some more research.

I discovered that being omnivores goldfish have evolved to eat a wide variety of foods, both animal and vegetable and to thrive they need a range of foods. Fish flakes do not provide all the variety your fish needs.

Goldfish benefit from occasionally having live food such as brine shrimp or daphnia. Brine shrimps are a great source of protein; daphnia are ideal for helping goldfish avoid constipation.

To improve your fish's digestion replace a couple of meals a week with live food but switch off the tank filter before adding it, or it could be filtered before the fish can get to it. Remember to switch it back on again!

Two fish swim into a concrete wall.
One turns to the other and says: "Dam!"

Goldfish also enjoy salad 

Greens in their diet can help their colouring

reproduced under Creative Commons License Share Alike 2.5
by permission of OpenCage


Goldfish also enjoy lettuce leaves and fresh spinach. Rinse in clean water, then cut into small pieces and drop them in the tank.

These leaves are a good source of the vitamins and minerals your fish need. They also contain carotenoids. These red and yellow plant pigments may also improve the colouring of your goldfish!

Acknowledgements and credits 

Links to more info about keeping and caring for Goldfish

Animal Jokes
Goldfish jokes and other animal jokes.
Oneliners and jokes
Goldfish jokes. All puns intended!
Fish doc
Fish Disease diagnosis & fish disease treatments
Goldfish info.com
Diagnostic guide to identifying disease among goldfish
Fishkeeping.co
Fishkeeping - Keeping Goldfish - The Right Way - Coldwater Articles - Articles
Pets at home
Guide to keeping a Goldfish
Golden Rules for Keeping Goldfish
Information on the history and development of goldfish, goldfish breeding, and the golden rules for keeping goldfish
Fishkeeping Forums
Advice for tropical, coldwater and marine fishkeeping. Fish, tanks, plants - your questions answered.

 

The Animal Rescue Site

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Have you ever managed to successfully treat a sick goldfish? 

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Lensmaster aj2008 has been a member since July 10 2008, has rated 3,257 lenses, favorited 805, and has created 70 lenses from scratch. AJ donates their royalties to Save the Children. This member's top-ranked page is "Bullying At Primary School". See all my lenses

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Why is the goldfish swimming upside down? So how did I cure our sick goldfish?








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