Stentor swimming in pond water

Référence de la vidéo 11932818
A group of Stentors, large freshwater ciliates, using cilia lining their mouths to swim about and sway in the water. Each possesses a macronucleus that appears as a string of beads. Other structures include food vacuoles and contractile vacuoles. Like many protozoa, Stentors have the ability to change shapes at will, and can range in form from pear shapes to trumpet shapes to spheres. Their bluish-green color comes from the pigment stentorin, which is found in many of their bodies. These protozoa can be found in lakes, ponds and streams throughout much of the world. Stentors typically range up to 1, 000 microns in length. Recorded under Nomarski DIC.
Licence : Droits gérés
Crédit : Science Photo Library / Matulavich, Peter
Model Release : Non requis
Property release : Non requis
Durée : 21 Secondes
Aspect ratio : 16/9
Restrictions : -

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