Coleps: The PiraƱa of the ciliates

One of the most deadly ciliates that can even take on larger predatory ciliates like Didinium is Coleps. These are barrel-shaped ciliates with characteristic plate-like structures. They often hunt in packs and clean up dead ciliates or weakened ones. I have been inadvertently growing Coleps, while studying interactions between Didinium (the T-Rex of the ciliate…