biology notes

Cleavage stages of the annelid Chaetopterus

Beginning this #WormWednesday with the beginnings of a worm. The cleavage stages of the annelid Chaetopterus.

notes biology imaging

Nemertean worms attacking an annelid

Nemertean worms in action.
biology imaging notes

Necrophagy in the world’s longest worm

I’ve filmed the nemertean worm Lineus longissimus feeding on dead annelids! An example of necrophagy.