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Ichthyophthirius multifiliis, often termed " Ich ", [1][2] is a parasitic ciliate described by the French parasitologist Fouquet [who?] in 1876. Only one species is found in the genus which also gave name to the family. The name literally translates as "the fish louse with many children". The parasite can infect most freshwater fish species and ...
Cymothoa exigua is a parasitic crustacean which enters a fish through its gills and destroys the fish's tongue. [ 7 ] Velvet disease. Oodinium, a genus of parasitic dinoflagellates, causes velvet disease in fish [ 8 ] Adult Siamese fighting fish (Betta splendens) with velvet disease.
Protozoan infections are responsible for diseases that affect many different types of organisms, including plants, animals, and some marine life. Many of the most prevalent and deadly human diseases are caused by a protozoan infection, including African sleeping sickness, amoebic dysentery, and malaria. The species originally termed "protozoa ...
Ehrenberg, 1831. Trichodina is a genus of ciliate alveolates that is ectocommensal or parasitic on aquatic animals, particularly fish. [1] They are characterised by the presence of a ring of interlocking cytoskeletal denticles, which provide support for the cell and allow for adhesion to surfaces including fish tissue. [2]
The word flagellate also describes a particular construction (or level of organization) characteristic of many prokaryotes and eukaryotes and their means of motion. The term presently does not imply any specific relationship or classification of the organisms that possess flagella. However, several derivations of the term "flagellate" (such as ...
Cryptosporidium, sometimes called crypto, is an apicomplexan genus of alveolates which are parasites that can cause a respiratory and gastrointestinal illness (cryptosporidiosis) that primarily involves watery diarrhea (intestinal cryptosporidiosis), sometimes with a persistent cough (respiratory cryptosporidiosis). [1] [2]
Enteric redmouth disease is a bacterial infection of freshwater and marine fish caused by the pathogen Yersinia ruckeri. It is primarily found in rainbow trout and other cultured salmonids. The disease is characterized by subcutaneous hemorrhaging of the mouth, fins, and eyes. It is most commonly seen in fish farms with poor water quality.
Henneguya salminicola Ward, 1919. Henneguya zschokkei or Henneguya salminicola is a species of a myxosporean endoparasite. It afflicts several salmon in the genera Oncorhynchus and Salmo, [2][3] where it causes milky flesh or tapioca disease.[1] H. zschokkei is notable for its reliance on an exclusively anaerobic metabolism as well as its lack ...