Rhizamoeba sp.

Patsyuk, M. K., 2015, Species Of Naked Amoebae (Protista) New For The Fauna Of Ukraine, Vestnik Zoologii 49 (5), pp. 387-392 : 388

Rhizamoeba sp. ( fig. 1 )

The species belongs to the branched morphotype. Slowly moving amoeba with FLattened cell body. Under bright lighting it elongates and forms numerous cytoplasmic branches. Small but discernible contractile vacuoles are present. No crystals were observed in the cellular cytoplasm. Cell length is 110–170 μm, width is 50–80 μm, L/B ratio is 2.5–4.6. Single nucleus, up to 12 μm in diameter is present.

Distribution: species of the genus Rhizamoeba occur in Europe, Australia, North America, Netherlands, Sweden, France ( Page, Siemensma, 1991).

Habitats: we found the individuals of the species in bogs (Kharytonivka village, Korostyshevshky District and Martynivka village, Chervonoarmiysky District of Zhytomir Region).

Figures

Fig. 1. Rhizamoeba sp., locomotory forms (a, b, c). ×1240.