Diseases

Have you got a goldfish with big eyes? Have you suddenly noticed your fish’s eyes look bigger than normal? You may be seeing a condition called “Pop Eye”.

Pop eye, also sometimes known as “exophthalmia” isn’t strictly a disease in and of itself, but rather, it is the result of another underlying issue or infection. It causes one or both of the eyes of the goldfish to protrude from the socket to some degree, ranging from a slight bulge to quite pronounced, depending on the severity of the condition.

The eye may also appear cloudy, but this is not always the case. If you notice your goldfish has big eyes, you should address the issue sooner rather than later, as it can lead to blindness.

Don’t forget though – some types of fancy goldfish are supposed to have big eyes. Goldfish like the Black Moor have telescope-style eyes, which is perfectly normal and not a sign that something is wrong.

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Lice and worms are common goldfish tank parasites, both of which can potentially lead to health problems in your fish and so, should be dealt with as soon as a potential issue arises.

What are goldfish lice and worms?

Fish tank lice and worms are parasites that rely upon goldfish to thrive and reproduce, and will often be most prevalent in overcrowded tanks and on fish that have recently been bought from a pet store.

It is of course important to ensure that you do not let your tank become overcrowded, and that you quarantine any new fish for 14 days to a month before you introduce them to your main tank.

Tapeworms, anchor worms and body lice are three of the most common parasitic problems that can affect goldfish, and these three invaders are sometimes found together.

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