The Essential Rhythm 10/21/21: Hydroids

Producer/Host: Sarah O’Malley

This episode describes a specific group of colonial animals, the hydroids (a class of the phylum Cnidaria). Characteristics of this group include stinging cells called cnidae and a complicated life history that includes asexual and sexual phases.

About the host:
Sarah O’Malley is an ecologist, naturalist and science communicator passionate about deepening her listeners’ experiences with the natural world. She teaches biology and sustainability at Maine Maritime Academy and is currently collaborating on a guide book to the intertidal zone in the Gulf of Maine.