The Mystery of the Missing Deep-Sea Fish

Despite starting out in the water, the fossil record suggests that vertebrates conquered both the land and the air before they conquered the depths. So what took them so long? ***** PBS Member Stations rely on viewers like you. To support your local station, go to http://to.pbs.org/DonateEons ***** Eons is a production of Complexly for PBS Digital Studios. Super special thanks to the following Patreon patrons for helping make Eons possible: Rachel Godwin, Dennis Dawson, Roatana, Nate Chisholm, Sara Lance, Stephen A Muth III, tara thara, Melodie Chen-Glasser, Mary Sammartino , Casey Hague, Susan Freund, William Sunderland, AllPizzasArePersonal, Nick A, Kerry Conneely, John H. Austin, Jr., Alex Hackman, Lycoperdon perlatum, Stephanie Schlea, Sarah Ellis, Lea Nisay, Betsy Radley, Eric Younge, Elyssa, John D Elias, Jeff Graham, Irene Wood, Annemiek Arkema, Willie, Derek Helling, Nathan Paskett, IAmHere, Gizmo, Karen Farrell, Nquiztor, Brian Clubb, lyric1981, Jennifer Courtemanche, SKS PHD, Eric Edwards, Raphael Haase, Steve Hill, Eric Franklin, Nomi Alchin, raus , Sarah Grunow-Mau, Duane Westhoff, Walter Ray-Dulany, Ruth Orr, A.B. Heckert, Deanna Hernandez, John Celio, Lianne Lairmore, Kevin Lacson, Christopher Samuel, Hillary Ryde-Collins, Yu Mei, Douglas B, Aaditya Mehta, Steven Kern, Collin Dutrow, Jason Rostoker, Mary Tevington, Nick Ryhajlo, Albert Folsom, Dan Caffee If you'd like to support the channel, head over to http://patreon.com/eons and pledge for some cool rewards! Want to follow Eons elsewhere on the internet? Facebook - https://www.facebook.com/eonsshow Instagram - https://www.instagram.com/eonsshow/ Bluesky - https://bsky.app/profile/pbseons.bsky.social #Eons References: https://docs.google.com/document/d/1kTz-g-KiKJBikVc5ETb3wzvkobdz-86Zy_GyhtKgyGk/edit?usp=sharing