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Uronychia setigera.
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Diophrys appendiculatus.
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Originally described by Ehrenberg under the name Stylonychia appendiculata.
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Uronychia is a hypotrich ciliate. As such it has an adoral zone of membranelles for feeding, and these extend around the anterior end of the cell. Like other hypotrichs, motile cilia are clustered into cirri on the ventral surface. Those of Diophrys are very strongly developed. Phase contrast.
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Marine species, very well developed cirri. Phase contrast micrograph of living cell.
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The hypotrich ciliate Uronychia isolated from Little Sippewisset Pond, Woods Hole, MA, USA. Image by Andrew Schurko.
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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 .
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Ventral surface of the hypotricvh ciliate, Uronychia. Isolated from sandy samples taken from Sippiwissett marsh.
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A species of the marine hypotrich genus, Diophrys (DUJARDIN,1840). The genus contains many species. Collected from a commercial marine aquarium in Boise, Idaho. DIC.
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A species of the marine hypotrich genus, Diophrys (DUJARDIN,1840). The genus contains many species. Collected from a commercial marine aquarium in Boise, Idaho. DIC.
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A species of the marine hypotrich genus, Diophrys (DUJARDIN,1840). The genus contains many species. Collected from a commercial marine aquarium in Boise, Idaho. DIC.
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A species of the marine hypotrich genus, Diophrys (DUJARDIN,1840). The genus contains many species. Collected from a commercial marine aquarium in Boise, Idaho. Phase contrast.
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in vivo portrait (dorsal view) of the marine hypotrich ciliate, Diophrys hystrix (BUDDENBROCK, 1920). Collected from a commercial saltwater aquarium in Boise, Idaho February 2004.DIC.
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in vivo portrait (ventral view) of the marine hypotrich ciliate, Diophrys hystrix (BUDDENBROCK, 1920). The yellow arrowheads mark the distinctive straight bristle-like dorsal cilia.The green arrowhead marks the three large caudal cirri arising from a pellicular concavity on the posterior right side.Collected from a commercial saltwater aquarium in Boise, Idaho February 2004.DIC.
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in vivo portrait (ventral view) of the marine hypotrich ciliate, Diophrys hystrix (BUDDENBROCK, 1920). The yellow arrowhead marks the group of five thick transverse cirri.Collected from a commercial saltwater aquarium in Boise, Idaho February 2004.DIC.
