Nematodes are relatively large parasites that can occur in the digestive system, internal organs and periodically in the muscle tissue and fins of fish (some species).
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Microscopic videos
Flagellates in discus – video
Parasites of the digestive system and internal organs – flagellates
Flagellates Hexamita and Spironucleus are protozoa, which, due to the characteristic way of their moving up is relatively easy to identify under the microscope.
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