Goldfish and velvet
The condition of “velvet” in goldfish might sound rather prettily named, but in reality it is anything but! Velvet, or to give it its correct name, “Oodinium,” can soon take over a whole tank of fish,...
View ArticleGoldfish and flukes
“Flukes” in goldfish doesn’t refer to an actual disease, but rather a parasite, which comes in two different varieties depending on whether it affects the body or the gills of the fish. Flukes are one...
View ArticleCotton mouth in goldfish
Cotton mouth is not one of the most common afflictions of goldfish, but is one of the more serious ones and one that often gets wrongly diagnosed. It can lead to a wide variety of health problems in...
View ArticleBlack smudge (or black spot) in goldfish
Black smudge or black spot in goldfish is probably one of the most commonly seen goldfish health problems, and one that has many different potential causes. Black spots or smudges are often indicative...
View ArticleGoldfish and ulcers
Ulcers in goldfish can be caused by a range of different diseases, but they are almost exclusively bacterial in nature. The two most common types of bacterial goldfish ulcers are Aeronores and...
View ArticleGoldfish and constipation
All fish can potentially suffer from constipation, regardless of the type of diet they are fed, and goldfish are no exception. As goldfish are prolific eaters, constipation is one of the more common...
View ArticleFish pox (or carp pox) in goldfish
Fish pox, also sometimes known as carp pox, most commonly affects domestically kept koi carp. However, goldfish and many other species of fish are also prone to contracting the condition, particularly...
View ArticleGoldfish and leeches
Leeches are not among the most common of goldfish parasites, but nevertheless, they are rather nasty, and easily introduced into an existing tank. Leeches live by latching onto a living host (such as a...
View ArticleGoldfish and Costia
Of all of the parasitic infections that can affect goldfish, costia is one of the very smallest and hardest to identify. Costia can only be seen under a microscope, and even then, it can be hard to...
View ArticleCongested fins in goldfish
The condition known as congested fins is easy to confuse with tail rot, and can be particularly hard to correctly identify in fish who have red fins. Congested fins lead to the tail and fins taking on...
View ArticleMedications, diseases and treatments
This is a guest post from Demi Milovanovic. Items for a first aid kit This is a list of items that should be in any fish keepers cupboard for treating and quarantine purposes: Methylene Blue Malachite...
View ArticleWhite Spot (Ich/Ick): Get rid of white spots on goldfish
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...
View ArticleFin Rot in Goldfish: How to treat fin rot
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....
View ArticleDropsy: Does your goldfish look swollen?
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...
View ArticleSwim bladder disease: Is your fish swimming upside down?
“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...
View ArticleLice and worms in goldfish
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...
View ArticlePop eye in goldfish: Do you have a goldfish with big eyes?
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...
View ArticleGoldfish and hole in the head
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...
View ArticleGoldfish and velvet
The condition of “velvet” in goldfish might sound rather prettily named, but in reality it is anything but! Velvet, or to give it its correct name, “Oodinium,” can soon take over a whole tank of fish,...
View ArticleWhy is my goldfish sitting at the bottom of the tank?
Goldfish shouldn't spend long periods sitting at the bottom of their tank. If they are, it may be the sign of a problem.
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