Portrait of the marine hypotrich ciliate, Uronychia transfuga (Müller,1786). Cell outline is ovoid with a colorless rigid pellicle.The broad peristome (not well seen here) is bordered on the left by an adoral zone of membranelles. There are three posterior concavities. Three massive caudal cirri arise from the rightmost concavity. Five transverse cirri arise from the central concavity and three marginal cirri arise from the left concavity (two large and one small). The moniliform macronucleus is arranged in a C-shape.Slow swimming is interrupted by sudden jumping movement. several colorful food vacuoles are visible here. Collected from a commercial saltwater aquarium in Boise, Idaho February 2004. DIC .
