Happy Father's day! Today we're talking about the fintastic Nurseryfish, which is one of the best dads you can fish for. Thanks to Dr. Tim Berra for teaching us more about these amazing fish as well as providing such awesome pictures! Hosted by: Hank Green SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at www.scishowtangents.org ---------- Support SciShow by becoming a patron on Patreon: www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Kevin Bealer, Jacob, Katie Marie Magnone, D.A. Noe, Charles Southerland, Eric Jensen, Christopher R Boucher, Alex Hackman, Matt Curls, Adam Brainard, Jeffrey McKishen, Scott Satovsky Jr, James Knight, Sam Buck, Chris Peters, Kevin Carpentier, Patrick D. Ashmore, Piya Shedden, Sam Lutfi, Charles George, Christoph Schwanke, Greg ---------- Looking for SciShow elsewhere on the internet? Facebook: www.facebook.com/scishow Twitter: www.twitter.com/scishow Tumblr: scishow.tumblr.com Instagram: instagram.com/thescishow ---------- Sources: doi.org/10.1023/A:1020523905635 mansfield.osu.edu/assets/mansfield/tberra/pdf/observationegg.pdf doi.org/10.1643/CI-15-365 doi.org/10.1093/icb/25.3.807 doi.org/10.1111/evo.13846 doi.org/10.1071/ZO16041 pfeil-verlag.de/wp-content/uploads/2015/05/ief14_4_02.pdf doi.org/10.1111/j.0022-1112.2004.00454.x doi.org/10.1071/ZO07033 doi.org/10.1643/0045-8511(2003)003[0384:ELHOTN]2.0.CO;2