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Isopod fish parasites are mostly external and feed on blood. The larvae of the Gnathiidae family and adult cymothoidids have piercing and sucking mouthparts and clawed limbs adapted for clinging onto their hosts. [20] [21] Cymothoa exigua is a parasite of various marine fish. It causes the tongue of the fish to atrophy and takes its place in ...
The name literally translates as "the fish louse with many children". The parasite can infect most freshwater fish species and, in contrast to many other parasites, shows low host specificity. It penetrates gill epithelia, skin and fins of the fish host and resides as a feeding stage (the trophont) inside the epidermis.
The economic impact of such parasites can be severe, especially where prevalence rates are high; they may also have a severe impact on wild fish stocks. The diseases caused by myxosporeas in cultured fish with the most significant economic impact worldwide are proliferative kidney disease (PKD) caused by the malacosporean T. bryosalmonae, and ...
Myxosporea is a class of microscopic animals, all of whom are parasites.They belong to the Myxozoa clade within Cnidaria.They have a complex life cycle that comprises vegetative forms in two hosts—one an aquatic invertebrate (generally an annelid but sometimes a bryozoan) and the other an ectothermic vertebrate, usually a fish.
Digenea (Gr. Dis – double, Genos – race) is a class of trematodes in the Platyhelminthes phylum, consisting of parasitic flatworms (known as flukes) with a syncytial tegument and, usually, two suckers, one ventral and one oral.
This category is dedicated to the various Fish diseases. For an overview of this subject go to Fish diseases. ... Fish diseases and parasites; A. Ammonia poisoning;
Animal parasites of fish (2 C, 62 P) Pages in category "Parasites of fish" ... Fish diseases and parasites; A. Allogastrocotyle; Allogastrocotyle bivaginalis ...
In fish, the disease is most important in salmonids. Marine and freshwater fish can be infected. These protozoans can be found on most continents. Bloodfeeding leeches are implicated in the transmission of the bloodborne species. The protozoans can be identified in skin and gill biopsies and blood samples.