Amyloodinium ocellatum
Species of single-celled organism / From Wikipedia, the free encyclopedia
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Amyloodinium ocellatum (Brown, 1931) is a cosmopolitan ectoparasite dinoflagellate of numerous aquatic organisms living in brackish and seawater environments. The dinoflagellate is endemic in temperate and tropical areas, and is capable of successfully adapting to a variety of different environments and to a great number of hosts, having been identified in four phyla of aquatic organisms: Chordata, Arthropoda, Mollusca and Platyhelminthes. Moreover, it is the only dinoflagellate capable of infecting teleosts and elasmobranchs .
Amyloodinium ocellatum | |
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Scientific classification | |
Domain: | |
Phylum: | |
Class: | |
Order: | Thoracosphaerales |
Family: | Thoracosphaeraceae |
Genus: | |
Species: | Amyloodinium ocellatum |
Binomial name | |
A. ocellatum Brown, 1931 | |
The parasite represents a serious problem for both reared and aquarium fish, since amyloodiniosis, the infection caused by this protozoan, can lead the host to death in less than 12 hours, with acute morbidity and mortality around 100%. However, these two parameters vary considerably on the basis of farming typology, parasite burden, fish species and season considered.[1] In general, amyloodiniosis is typically present in land- or lagoon-based rearing sites (valliculture or inland brackish farming), where shallow seabeds and poor water exchange/recirculation allow the parasite to reach its optimal proliferation values. Especially in the warmest months, A. ocellatum causes high mortality rates and economic damages.[2]