Dr G. Hotos Lab, Greece, ROTIFERS (B. plicatilis) FILTRATION-MASTICATION



The filtering method in the maritime rotifer Brachionus plicatilis is an amazing method involving sensory organs in the corona, pharynx, mastax and who is aware of in which else. The filtering by itself is not so easy. The animal senses the suitability of algal cells in phrases of size, motion?, taste? and in all probability a lot more aspects.
In this video clip it is plainly shown the swallowing of the environmentally friendly algal cells of Tetraselmis sp.. They are funneled to the mastax in which a mastication can take put. Then they are transported to the tummy for digestion. The degree of digestion differs (an difficulty to be investigated) as commonly it is noticed a rapid passage of almost intact cells to anus for defecation.
A different exciting issue (indicated in the video clip) is the sudden reversion of the vortex currents that are developed by the rapid motion of the corona’s cilia. Even though the normal route of the vortex is backwards (from corona to foot) for the vortex lines in get in touch with with the lorica, abruptly (indicated in the video clip) the vortex stops and for a number of seconds, a different set of cilia (to be inspected by a complex sluggish motion digital camera) can take about and results in a distinctive vortex (counter latest).
Expensive colleagues a whole lot of elaborated exploration has to be accomplished in this small animal’s mode of daily life. It is the stay foods for the freshly hatched larvae of maritime fishes manufactured in hatcheries. Almost everything that contributes to the enhancement of its creation is welcomed.

Dr. George N. Hotos
Plankton Lifestyle Laboratory,
Dept of Fisheries and Aquaculture Technological innovation,
Technological Instructional Institution (T.E.I.)
of Western Greece, Messolonghi.


Post time: Oct-07-2016