do goldfish get constipated

Goldfish Constipation – Do Goldfish Get Constipated?

A Quick Look at Constipation in Goldfish

Wondering if goldfish get constipated? 

goldfish constipation

If you give your pet goldfish a flake or pellet-based diet, they might often get constipated as their bodies aren’t naturally meant to digest that food. However, if left untreated, it can cause various issues.

Bloating is one of the biggest symptoms of constipation in fish.

In this article, we will go through everything you need to know about constipation in goldfish including causes, symptoms, and treatment of the condition in as much detail as we can.

So, without any further ado, let’s get started!

Here we go.

What is Constipation in Goldfish? Plus A Look at Causes

Yes, fish, too get constipated! 

Constipation occurs when your fish’s bowel movements aren’t regular. So, the fish are backed up and usually bloated. String feces are also one of the biggest signs of constipation.

poop emoji face

But, what are the causes of this condition?

One of the biggest causes of constipation in fish is the lack of dietary fiber also known as indigestible material in the food.

The fiber in food helps the fish’s digestive tract to function in a proper manner.

A lack of fiber in the diet means that the fish cannot push the feces out easily which is why they look bloated.

A Quick Peek at Some of the Symptoms of Constipation in Fish

In this section, we will list some of the signs of constipation in fish.

*Some of these can also be linked to more serious conditions. Always observe your fish.

Let’s get started.

  • Bloated fish
  • Stringy feces
  • Lack of appetite
  • Not passing stool at all
  • Lethargic fish
  • Difficulty to swim normally
  • Clamped fins
  • Air bladder disease
  • A swollen body

Now, let us take a look at some of the courses of treatment.

The Treatment of Constipation in Fish

One of the main ways to treat constipation in fish is by feeding the affected fish foods that are high in fiber. These foods work well because they act as laxatives.

king koi goldfish pic 2


It is crucial to avoid giving the fish other foods such as freeze-dried foods, pellets, and flakes to ensure that they don’t get constipated again.

Peas work well as a laxative for most species of fish. Lettuce is another good option.

Prevention is better than cure.

You can ensure that your fish don’t ever get constipated again by feeding them a diet that contains a lot of greens and minimizing the use of pellets or flakes.

Peas, thinly sliced cucumber, and blanched curly lettuce are excellent choices.  

In Conclusion: Constipation in Fish

Did we answer all of your questions about constipation in fish?

king koi goldfish pic 1


Just like humans, fish, too get constipated when they eat foods that aren’t rich in dietary fiber. If left unchecked, constipation can prove to be fatal!

One of the key reasons why fish get constipated is because they are given pellets, flakes, and freeze-dried foods. Adding greens such as peas, cucumbers, etc. to the goldfish’s diet can help prevent the condition.