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Oodinium, a genus of parasitic dinoflagellates, causes velvet disease in fish. Velvet disease (also called gold-dust, rust and coral disease) is a fish disease caused by dinoflagellate parasites of the genera Amyloodinium in marine fish, and Oodinium in freshwater fish.
The symptoms the fish show are external and internal hemorrhaging, swelling of the vents and kidneys, boils, ulcers, liquefaction, and gastroenteritis. Furunculosis is commonly known as tail rot in fish and is common in goldfish and koi. Infected fish with open sores are able to spread the disease to other fish. [5]
Like humans and other animals, fish suffer from diseases and parasites.Fish defences against disease are specific and non-specific. Non-specific defences include skin and scales, as well as the mucus layer secreted by the epidermis that traps microorganisms and inhibits their growth.
Sometimes, both types of infection are seen together. Infection is commonly brought on by bad water conditions, injury, poor diet, stress, or as a secondary infection in a fish which is already stressed by other disease. Fin rot starts at the edge of the fins, and destroys more and more tissue until it reaches the fin base.
The common goldfish is a breed of goldfish and a family of Cyprinidae ... Stress is not healthy for any goldfish. ... Symptoms that indicate sick fish include cuts on ...
A goldfish with dropsy Dropsy is a condition in fish caused by the buildup of fluid inside the body cavity or tissues. As a symptom rather than a disease in its own right, it can indicate a number of underlying diseases, including bacterial infections , parasitic infections, or liver dysfunction.
Even the most zen among us still gets the occasional pimple or dry patches from stress. Maybe it’s because of a perpetually too-long to-do list, never-ending bills, familial pressures, or just ...
Lesions at the base of the dorsal fin are common among freshwater species of Central American origin, most notably Herichthys carpintis; inside the mouth of Herichthys cyanoguttatus and Geophagus steindachneri; on the tail fin of koi, carp, and US native sunfish (Lepomis spp.); on the side flanks of walleye, sauger and flounder; on head or tail ...