Lice and worms in goldfish

Cartoon of a goldfish being attacked by a worm

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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Dropsy: Does your goldfish look swollen?

Cartoon of a goldfish with dropsy

Dropsy is an extremely serious and often fatal condition affecting goldfish. If you notice your goldfish looking fat, swollen or “about to explode” then the problem is probably dropsy. Read on to find out more about the symptoms of dropsy, what causes dropsy and how to treat it. Identifying and treating dropsy How do you … Read more