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  2. Fish diseases and parasites - Wikipedia

    en.wikipedia.org/wiki/Fish_diseases_and_parasites

    Fish gills are also the preferred habitat of many external parasites, attached to the gill but living out of it. The most common are monogeneans and certain groups of parasitic copepods, which can be extremely numerous. [18] Other external parasites found on gills are leeches and, in seawater, larvae of gnathiid isopods. [19]

  3. List of aquarium diseases - Wikipedia

    en.wikipedia.org/wiki/List_of_aquarium_diseases

    Aquarium fish are often susceptible to numerous diseases, due to the artificially limited and concentrated environment. New fish can sometimes introduce diseases to aquaria, and these can be difficult to diagnose and treat. Most fish diseases are also aggravated when the fish is stressed. Common aquarium diseases include the following:

  4. Diseases and parasites in salmon - Wikipedia

    en.wikipedia.org/wiki/Diseases_and_parasites_in...

    The fish responds by walling off the parasitic infestation into a number of cysts that contain milky fluid. This fluid is an accumulation of a large number of parasites. Henneguya and other parasites in the myxosporean group have a complex life cycle where the salmon is one of two hosts.

  5. Swim bladder disease - Wikipedia

    en.wikipedia.org/wiki/Swim_bladder_disease

    Female ryukin goldfish with swim bladder disease The gas bladder of a fish Swim bladder disease , also called swim bladder disorder or flipover , is a common ailment in aquarium fish . The swim bladder is an internal gas-filled organ that contributes to the ability of a fish to control its buoyancy , and thus to stay at the current water depth ...

  6. Disease in ornamental fish - Wikipedia

    en.wikipedia.org/wiki/Disease_in_ornamental_fish

    Myxobolus cerebralis triactinomyxon Henneguya zschokkei in salmon beard. Diseases can have a variety of causes, including bacterial infections from an external source such as Pseudomonas fluorescens (causing fin rot and fish dropsy), fungal infections (Saprolegnia), mould infections (Oomycete and Saprolegnia), parasitic disorders (Gyrodactylus salaris, Ichthyophthirius multifiliis ...

  7. Viral hemorrhagic septicemia - Wikipedia

    en.wikipedia.org/wiki/Viral_hemorrhagic_septicemia

    VHSV is a negative-sense single-stranded RNA virus of the order Mononegavirales, family Rhabdoviridae, and genus Novirhabdovirus. [7] Another related fish rhabdovirus in the genus Novirhabdovirus is Salmonid novirhabdovirus (formerly Infectious hematopoietic necrosis virus (IHNV)), which causes infectious hematopoietic necrosis (IHN) disease in salmonidae.

  8. Amnesic shellfish poisoning - Wikipedia

    en.wikipedia.org/wiki/Amnesic_shellfish_poisoning

    Amnesic shellfish poisoning (ASP) is an illness caused by consumption of shellfish that contain the marine biotoxin called domoic acid. [1] In mammals, including humans, domoic acid acts as a neurotoxin, causing permanent short-term memory loss, brain damage, and death in severe cases.

  9. Ichthyophthirius multifiliis - Wikipedia

    en.wikipedia.org/wiki/Ichthyophthirius_multifiliis

    New warm-water fish should be quarantined for at least four weeks and cold-water fish for eight weeks. Recognition of biosecurity measures for fish farm personnel including using a biocide foot bath, separate dress for the unit, using separate equipment and disinfecting hands before and after maintenance of each tank, reduces the risk of ...