31. Partially treated fish may initially harbour low numbers of unseen trophozoites , often in the gills. 32. Close to the center there is a schizont and on the left a trophozoite . ]] 33. They are divided into three orders based on habitat, host range, and trophozoite morphology. 34. These species possess large trophozoites that are signi�cantly different in morphology and behavior from the sporozoites. 35. Trophozoite forms are compact and rounded.36. Trophozoites : Ring forms are unusual.37. The sporozoites emerge within the host cell, begin to feed and develop into larger trophozoites . 38. The trophozoites inhabit the gut lumen. 39. Some trophozoites enlarge and become macrogamete, whereas others divide repeatedly to form microgametes ( anisogamy ). 40. The sporozoites emerge within the host cell, begin to feed, and develop into larger trophozoites .
