How Big Do Clownfish Grow? (Size Guide and Care Tips)

Clownfishes are spectacular animals with white stripes on their orange body. Your mind will be stress-free, and you will be in awe by seeing them. You can grow clownfish at your home. Therefore, you need to know various factors such as their growth rate, food habits, behaviour and growth sizes. How big do clownfish grow? Generally, they can grow up to 2 to 5 inches, but with the types of species of clownfish, the size will be varied. So, we can say that the maximum growth size is about 7 inches. We’ll tell you more in this article.

What is the Average Size of Adult Clownfish?

The average size of adult clownfish is between 3 – 7 inches. This varies depending on the species of clownfish. Usually, female clownfish are bigger than male clownfish.

The common clownfish, which we can find quite often, is about 4.3 inches. It is the Ocellaris clownfish who is in the movie “Finding Nemo”.

If you are worrying that clownfish might not be fit for your tank, you don’t need to worry at all because they are smaller than other fish in general. Also, there are other factors that affect the average size of the Clownfishes. Let’s also know about the growth rate of clownfish for your convenience.

How Fast Do Clownfish Grow?

Most of the clownfish species grow about half an inch or an inch for a year. You can barely notice whether they are growing in their size or not. In 2 years, they will grow about 2 to 3 inches. But according to the type of species, the growth rate differentiates.

Average Clownfishes are pretty slow growers. So, even if they have reached adulthood, maybe they are not grown enough for their size.

You will see there are still smaller size clownfish after three years also. We can’t classify that this type of species grows faster than others because they all are within a limited growing size, and most clownfish grow one inch per year. With good quality water and a comfortable environment, they will grow fast and big.

How Big do Clownfish Grow?

The average size is between 3 to 6 inches. But with the external forces and the type of the species, that will change. Maroon clownfish is the one that grows larger compared to other clownfish species. They grow about 6 to 7 inches, and the smallest species of clownfish is the Percula clownfish. They grow about three inches or less.

How Big is the Biggest Clownfish?

About 7 inches. Out of the clownfish in Maroon clownfish, the Gold Stripe Clownfish is the biggest species of clownfish. Their growth size is between 6 to 7 inches. They can be easily recognized with three yellow stripes on the maroon-coloured body.

Do All Clownfish Species Reach the Same Size?

No. Let me tell you about the sizes of different species of clownfish. Here, I’ll give you the details of the most common species of clownfish. Otherwise, it will be a lot harder to read the article for you.

The common clownfish, which is known as Ocellaris clownfish, reach a maximum size of 4.3 inches.
Percula clownfish is the smallest clownfish I’ve met when gathering information for you guys. They barely reach 3 inches in size.
The biggest clownfish of all, the Maroon Clownfish, is about 7 inches in size, and they are aggressive as well.
There is another species of clownfish known as Clarkii clownfish. They reach 4 to 5 inches when fully grown.
The Tomato clownfish is a native species in the Western Pacific Ocean which is about 5 inches in size.

So, by these details, you can see that all clownfish species do not reach the same size. The sizes in length vary with the type of species and the other external factors, including living surrounding, food habits, etc.

Can the Size of a Clownfish be Influenced by Its Environment?

Yes. Like humans, clownfish are also different in length and size. This is influenced by various factors in the environment. Here I’ll give you information on how the size of a clownfish is influenced by its environment.

Living Space

The space, or the area the clownfish lives, affects its size. If the clownfish is living in a relatively smaller tank or a space, it will not grow lengthier. Instead, they will adapt to their environment by the size as well.

Food Habits

According to the living environment, the food they consume differs from one species to another. The food available in different oceans and areas is different from one another. So, the nutrient amounts can differ as well. Therefore, this may cause various lengths in various species.

Maturity in Sex

You should know the sexuality and different sexual habits of clownfish before breeding them. This is because some may be allergic to various conditions due to their sexual traits. Usually, female clownfish grow larger than male clownfish.

Additionally, when breeding these kinds of pet fish, you should pay extra care to them, whatever career you are doing.

How Can I Promote Healthy Growth in My Clownfish?

First, you should organize the environment for the fish to live in a comfortable place, so it can grow freely. The water should be well-cleaned and circulated.

They recommend having 30 to 120 gallons of water in the tank. Also, to promote healthy growth in the clownfish, water should have a salinity level between 1.021 and 1.026.

And for the temperature, you have to maintain it from 24˚C – 27˚C. Other than these things, you should put your clownfish in a safe place and feed them with their favourite food. Keep their overall health stable and get better care of your pet fish.

Can Clownfish Outgrow their Tank?

Yes. When the tank is way too small, the clownfish will outgrow it. This will be a discomfort to them, and there is a possibility of death of clownfish also if outgrowing happens. So, before starting to raise them, consider all the external factors and internal factors such as the living environment, water conditions, food habits, etc.

Watch this one,

Video Credits – World Wide Corals

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