14 videos found
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Germany, Düsseldorf
The Amoeba Mayorella is moving across while looking for food. Amoebas are moving in this way: First the colorless ectoplasma moves in front, followed by the grained entoplasma containing several vavuoles. Phase contrast technique.
Germany, Düsseldorf
This video is showing an amoeba on its way through its small world. You can watch it trying out several ways, This video is done in phase contrast technique and with 200x magnification.
Germany, Düsseldorf
Cothurnia is a ciliate living in its own built cup. It attaches the cup to filamentous algae. Here we can watch two individuals in one cup.
United States
Elephant: Baby elephant for sale, escorted by a little girl
Germany, Düsseldorf
The rotifer Limnias melicerta is living in a tube built by its own. You can see here the rotating crown and the gizzard that contracts rhytmically.
Hungary, Tisa river
Mayfly: hungarian Tiszavirág (Polingenia longicauda)
United States, Maryland, Poolesville
Poolesville Veterinary Clinic: Veterinary, hospital, clinic, animal, care, buildings of the hospital, air shot, National Institutes of Health, animal care, vet
Germany, Düsseldorf
This protist is called Salpingoeca. It is sitting in a hyaline lorica, has one contractile vacuole and on top of the cellbody there is a weir, a kind of funnel, with a single, long flagellum in the middle. It is said to be a precursor of the marine sponges: S. belongs to the class of Choanoflagellatas. Choanoflagellatas are related to Choanocytes. These Choanocytes are found in all sponges and look and work like a Salpingoeca; especially the system weir - flagellum is very similar. Choanocytes in a sponge are doing the job of water-filtering for food, e.g. plankton, bacteria and detritus (organic waste).
Germany, Düsseldorf
Here you can see the stomach working, two red "eye-spots" and the cilia that whirl the food into the rotifers stomach. Phasecontrast technique.
Germany, Düsseldorf
Here you can see a Stentor that is hunting for some food anf finally getting it. Watch how the stentor is turning around while hunting, just as he could see his victims. A Stentor is a ciliate and therefore a one celled animal. Phasecontrast technic.
Germany, Düsseldorf
Stephanoceros fimbriatus: The most beautiful rotifer Indeed this rotifer is a true beauty. Here is the video in darkfield, phasecontrast and brightfield. I catched him on a slide that has been in a garden pond for two weeks.
Germany, Düsseldorf
Testudinella patina: Tthe turtle rotifer There are 2 red eye spots and skeletal muscles. This video first shows the movement in phasecontrast and then in brightfield technique.
Germany, Düsseldorf
This video is showing a waterflea (daphnia spec.) playing with a Volvox. You can watch the waterflea's eye looking at the Volvox ball.
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