Ichthyophthirius multifiliis

this betta has one imbetween his eyesIchthyophthirius multifiliis is a species of ciliate protozoan which parasitizes freshwater fish. It is probably the most common aquarium fish disease and there are few Aquarists that have not met it on one or more occasions[1]. “Ich” (the colloquially abbreviated form of the name) is the largest known parasitic [...]

Bath treatment (fishkeeping)

Bath treatments are disease treatments that originated since the earliest days of goldfish culture. They are easy to carry out. One of the most effective procedure is called the salt bath which is quite effective in eradicating ciliated parasites from the fish. However, there are also useless, thus not recommended, bath treatments such as the [...]

Enteric redmouth disease

Enteric redmouth disease, or simply redmouth disease is a bacterial infection of freshwater and marine fish caused by the pathogen Yersinia ruckeri. It is primarily found in rainbow trout (Oncorhynchus mykiss) however, and is characterized by subcutaneous hemorrhaging of the mouth, fins, and eyes. Hemorrhaging also occurs on internal organs, and in the later stages [...]

Fish Dropsy

Dropsy is a common disease among fresh-water aquarium fish. The name is from an old name for Edema in humans.SymptomsThis disease is characterised by a swollen or hollow abdomen (Ascites). A concentration of fluid in the body tissues and cavities causes the fish’s abdomen to become swollen and appear bloated. Swollen areas may exhibit [...]

Butterfly Koi

Butterfly Koi, Longfin Koi, or Dragon Carp are a type of ornamental fish notable for their elongated finnage. The fish are a breed of the common carp, Cyprinus carpio, (which includes numerous wild carp races as well as domesticated koi (“Nishikigoi”).Butterfly Koi originated in the mid 20th century as a result of an effort [...]

Bloater

The bloater (Coregonus hoyi) is a freshwater fish native to the Great Lakes. It is silver in color with a pink and purple iridescence and reaches an average length of 9 inches (23cm).In British cuisine, the bloater is, like the kipper, a type of smoked herring, but is differentiated from the kipper by the [...]