Thanks to for sponsoring this video. A new fish counting method has revealed there are ten times more fish in the sea than we previously thought.* *But unfortunately, this doesn't mean we're not overfishing. If you liked this week’s video, we think you might also like these things: Seeing the Sky as Galileo Saw it: We try to leave jargon out of our videos, but if you want to learn more about this topic, here are some handy keywords to get your googling started: - Milky Way: Earth's home galaxy - The Malaspina Expedition 2010: A research project to explore ocean biodiversity by recreating the path of a late 18th Century scientific expedition. - Sonar: A technique that uses soundwaves to map out underwater objects. - Avoidance of Trawl: A behavior in which fish move out of the way of an incoming net, perhaps through bioluminescent signalling. - Bioluminescence: Light produced by a living organism. - Deep water fish: Fish who live more than 500m below the ocean surface in the Mesopelagic, Epipelagic, and Bathypelagic zones. Species featured in this video: - Stoplight loosejaws (Malacosteus niger) - Common Fangtooth (Anoplogaster cornuta) - Lanternfishes or myctophids (Family Myctophidae) - Bristlemouths (Genus Cyclothone): The most populous vertebrate on Earth. ___________________________________________ A big thank-you to our supporters on : - Today I Found Out - Maarten Bremer - Jeff Straathof - Mark Roth - Tony Fadell - Muhammad Shifaz - 靛蓝字幕组 - Jagdtiger - Alberto Bortoni - Valentin - Antoine Coeur ___________________________________________ Credits (and Twitter handles): Script Writer: David Goldenberg (@dgoldenberg) Script Editor: Emily Elert (@eelert) Video Illustrator: Ever Salazar (@eversalazar) Video Director: Emily Elert (@eelert) Video Narrator: Emily Elert (@eelert) With Contributions From: Henry Reich, Alex Reich, Kate Yoshida, Omkar Bhagat, Peter Reich, Rachel Becker Music by: Nathaniel Schroeder: _________________________________________ Like our videos? Subscribe to MinuteEarth on YouTube: Get early, exclusive access to our videos on Vessel: Support us on Patreon: Also, say hello on: Facebook: Twitter: And find us on itunes: ___________________________________________ References: Kaarvedt, S., Staby, A., Aksnes, D.L. (2012). Efficient trawl avoidance by mesopelagic fishes causes large underestimation of their biomass. Marine Ecology Progress Series,456(1-6). Retrieved from Broad, W. (2015). An Ocean Mystery in the Trillions. New York Times, D1. Retrieved from: Xabier Irigoien, T. A. Klevjer, A. Røstad, U. Martinez, G. Boyra, J. L. Acuña, A. Bode, F. Echevarria, J. I. Gonzalez-Gordillo, S. Hernandez-Leon, S. Agusti, D. L. Aksnes, C. M. Duarte & S. Kaartvedt (2014). Large mesopelagic fishes biomass and trophic efficiency in the open ocean. Nature Communications, 5, 3271. Retrieved from Kaarvedt, S. (2016). Personal Communication. Duarte, C. (2016). Personal Communication.