- Our friend the Planaria
- Marine: Orsaki Flatworm – Maiazoon orsaki
- Marine: Pseudobiceros gloriosus
- Marine: Pseudoceros zebra
- This head has hooks to hang out to the host’s intestines. Clever, huh?
They have a single opening that functions as both the mouth and anus. Yum! Most platyhelminthes also have a series of specialized organs called protonephridia (“first kidney”) which help to filter waste out of their bodies.
This video shows the mouth/anus (pharynx) really well:
This is a land planarian:
Now, I’ve watched lots of gross movies with parasites/ worms in your face/ tapeworm….this one is pretty mild. It’s a fluke that is living in a minnows eye.