The rather alarmingly named condition “hole in the head" is a disease that can affect both goldfish and tropical fish, and is often the result of keeping your goldfish in poor-quality water over a prolonged period of time, either due to an overcrowded tank, insufficient cleaning, or water changes that are too infrequent. Read on […]

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. […]

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 […]

“Swim bladder disease” is one of the most common problems affecting goldfish. If you’ve seen your fish swimming upside down, or on its side, then you’ve seen a swim bladder problem. Although often called a “disease”, it is actually a symptom or disorder affecting the goldfish’s swim bladder that can have a number of different […]

Dropsy is a very serious 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.

Fin rot isn’t a disease in itself, but rather a symptom of disease or infection. If your goldfish has fin rot then you will notice their fins start to appear frayed or ragged, as if they’ve been torn. You may also notice a white or red edge where the fin appears broken. You should act […]

Have you noticed white spots on your goldfish? Does it look like grains of salt or sugar have been sprinkled on to your goldfish’s body, fins or gills? If the answer is yes then your fish may be infected with “white spot disease”, also known as “Ich” or “Ick”. Read on to find out more […]