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sera guide - Healthy aquarium fish

9.3 sera med Professional Tremazol Observation The fish scrub themselves and become apa- thetic. Cloudy skin and small, motile worms on the skin (partially visible with the naked eye, otherwise detectable with a magnifier; mostly smaller than 1 mm). Diagnosis: Skin flukes / Gyrodactylidea Observation Breathing becomes stronger every day until the fish stay under the surface panting; sometimes one-sided breathing; one or both gill lids closed or spread open; small flukes usually sized less than 1 mm sit on the gills (possibly visible on a sedated fish with a magnifier); fish scrub themselves at the gill lid. Diagnosis: Gill flukes / Dactylogyridea see also page 34 see also page 34 Please note that a second treatment must be carried out against these egg-laying flukes, and that it should take place at different times, depending on the tank temperature, since the development of the larvae within the eggs de- pends on the temperature. With a water tem- perature of 28°C (82°F), the second treatment should best be carried out 72 hours after the beginning of the first treatment. In case of low- er water temperatures you need to wait corre- spondingly longer. For example, it takes 7 days at 25°C (77°F), as is common in many commu- nity tanks. However, if you wait too long before conducting the second treatment, the fish might be reinfected, and the worms possibly even lay new eggs again. In case of a second treatment carried out too soon, not all larvae have hatched yet. Corydoras with skin flukes Discus with shortness of breath caused by gill fluke infestation 52 Professional