Rotaria socialis Kellicott, 1888
Rotaria socialis, whirling. A very large bdelloid rotifer with conspicuous long spurs. (1)
Rotaria socialis, whirling. This species has a very prominent bulge of the cingulum. The rostrum is orientated perpendicular to the longitudinal axis of the animal while whirling. While most Rotaria-species have eyespots on the rostrum this species is eyeless. (The other eyeless species is Rotaria sordida). (1)
Rotaria socialis, another (pregnant) specimen whirling. (1)
Rotaria socialis, foot with conspicuous spurs with bulbous base and small interspace. Length of spurs about 60µm. (1)
Rotaria socialis, lateral view of specimen from (2).
Rotaria socialis, another specimen from (2); lateral view of the anterior part with retracted trochal discs. Inside of the long rostrum, which shows a kink in the middle, a duct (or muscle? nerve?) is recognizable. Br: brain; DA: dorsal antenna;MG: mastax ganglion; Mx: Mastax; Ro: rostrum.
Rotaria socialis, lateral view of foot with spurs (Sp) and dorsal toe (DT) and ventral toes (VT) (2).
Location: Water reservoir Wuppertalsperre, NRW; Germany (1); "De Grote Put", Ekeren, Antwerp, Belgium (2)
Habitat: periphyton / mosses; together with Rotaria macrura(1); periphyton/ on rotten willow leaves (2)
Date: 14.09.2014(1); 15.02.2015 (2)
freshwater life
procaryota
algae
plants
protists
"worms"
molluscs
arthropods
marine life
mediterranean
tropical
misc
impresssum
plingfactory