Asterocaelum and Peranema

Peranema near a cyst of Asterocaelum sp.

 

 

Peranema feeding on cysts of Asterocaelum

In August 2016 I had a number of cysts of an Asterocaelum species in wet mounts kept in a moisture chamber. One day I observed a Peranema specimen making a hole in a cyst wall and feeding on its content. Later I could observe more Peranema specimens feeding on other cysts. 

Asterocaelum and Peranema

Peranema feeding on an Asterocaelum cyst. The hole is indicated between the arrows. Granular material in the cyst streams into the Peranema.

Asterocaelum and Peranema

Peranema making a hole in a cyst of Asterocaelum

Asterocaelum and Peranema

Peranema near a cyst of Asterocaelum. The hole in the wall (between arrows) was made by the flagelate.

 

 

 

This video shows granular material streaming from the cyst into the Peranema

 

 

This video shows two Peranema cells making a hole in a cyst.