TGIF: Polychaete

Errant polychaete from a Pacific coast kelp holdfast; filmed during an Invertebrate Zoology lab at the University of Nebraska-Lincoln.

Dr. M (1772 Posts)

Craig McClain is the Executive Director of the Lousiana University Marine Consortium. He has conducted deep-sea research for 20 years and published over 50 papers in the area. He has participated in and led dozens of oceanographic expeditions taken him to the Antarctic and the most remote regions of the Pacific and Atlantic. Craig’s research focuses on how energy drives the biology of marine invertebrates from individuals to ecosystems, specifically, seeking to uncover how organisms are adapted to different levels of carbon availability, i.e. food, and how this determines the kinds and number of species in different parts of the oceans. Additionally, Craig is obsessed with the size of things. Sometimes this translated into actually scientific research. Craig’s research has been featured on National Public Radio, Discovery Channel, Fox News, National Geographic and ABC News. In addition to his scientific research, Craig also advocates the need for scientists to connect with the public and is the founder and chief editor of the acclaimed Deep-Sea News (, a popular ocean-themed blog that has won numerous awards. His writing has been featured in Cosmos, Science Illustrated, American Scientist, Wired, Mental Floss, and the Open Lab: The Best Science Writing on the Web.

4 comments on “TGIF: Polychaete
  1. Pharynx and proventricle, very nice! It’s family Syllidae, subfamily Eusyllinae, genus Eusyllis, and if there had been just a little tighter focus on the setae we would have had species.

  2. Pingback: Climate Shifts » Climate Shifts » The worm will turn: a tale of a (large) marine polychaete

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