Setting up an aquarium in your home can be a great thing to do, and it is certainly something that the whole family can get a lot out of. However, once you are over the excitement of buying lots of aquarium accessories, you may find that your fish look a little nervous – and there are many reasons for this to be the case. You will find there are a lot of things that will effect how your fish behave, even things like your Aquarium fertilizer which is added solely to boost plant growth, can have an adverse effect on your fish. Below are some of the main things that can make them nervous and info on what you can do to help them feel at ease.


If your fish don’t have enough room, they won’t be able to swim around properly, and failing to get the exercise that they need is a huge reason why fish might be a little nervous and unhappy. The actual number of fish that you can have will depend on the size and breed, so you should ask your supplier before you fill the tank.

A lot of noise

You might not think that fish can hear what is going on outside of the tank, but this isn’t true. If you live in a noisy environment, including things like loud music or screaming, the fish can pick up on this and it can make them a little nervous. So, you should always do your best to make sure that your fish tank is in a place where your fish can swim around peacefully without any kind of disruption, and this is the best way to make sure that they are happy and contented.

A dirty tank

You should clean your tank every so often, and replace at least some of the water every single week. Thanks to the fact that so many of us are busier than ever, we may forget to do this – and for this reason the fish could get nervous and unsettled. If you think that you are likely to forget to clean your tank, then it might be a good idea to set a reminder on your phone, as this means that the alarm would tell you exactly what needs to be done, and when. You can tell when a tank looks really dirty, but fish can get unsettled before this, so getting into a good routine is key.

The wrong food

If your fish don’t like the food that they have been given, they won’t be happy – so if you can’t seem to pinpoint what the problem could be with them, then changing their food could help. It is worth trying different brands or different types of food – for example flakes instead of pellets – as some fish just aren’t suited to certain kinds of food.

Once you have made changes, you should find that your fish are much happier than they were before. This is good for their health and will improve their life span, and you will be much happier watching them swimming round, knowing that they are happy and healthy in their own environment.


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