These Death-Defying Salmon Just Keep Spawning

Salmon make a hardcore journey upstream to their spawning grounds to reproduce, and it almost always ends with death. But some live to reproduce again, and more than once!

Hosted by: Michael Aranda

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Sources:
https://www.nature.com/scitable/knowledge/library/semelparity-and-iteroparity-13260334/
https://edisciplinas.usp.br/pluginfile.php/5746077/mod_resource/content/1/Iteroparity%20ans%20Semelparity%20in%20insects%20-%20Fritz%20et%20al.%201982.pdf
https://www.biorxiv.org/content/10.1101/107268v1.full
https://www.nationalgeographic.com/science/phenomena/2013/10/07/why-a-little-mammal-has-so-much-sex-that-it-disintegrates/
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0177409
https://www.psf.ca/learn/salmon-facts
http://www.snakeriversalmonsolutions.org/Adult_Migration.aspx
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1571185/
https://www.nps.gov/olym/learn/nature/the-salmon-life-cycle.htm
https://www.marinebio.net/marinescience/05nekton/sarepro.htm
https://cdnsciencepub.com/doi/abs/10.1139/f68-211
https://sciencenorway.no/agriculture--fisheries-evolution-fish/old-spawners-important-for-salmon-rivers/1461825
https://www.hakaimagazine.com/news/the-salmon-that-were-born-to-survive/
https://academic.oup.com/icesjms/article/71/8/2171/748104
https://onlinelibrary.wiley.com/doi/abs/10.1111/jeb.13418
https://academic.oup.com/icesjms/article-abstract/77/1/326/5588516
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3352440/
https://www.theatlantic.com/science/archive/2015/11/how-salmon-gain-infrared-vision-when-swimming-upstream/415368/
https://medium.com/usfws/life-after-death-your-ultimate-guide-to-zombie-salmon-1e661622a50b
https://www.researchgate.net/publication/277166123_Staying_alive_the_survival_and_importance_of_Atlantic_salmon_post-spawners
https://onlinelibrary.wiley.com/doi/abs/10.1111/jeb.13418

Images:
https://www.storyblocks.com/video/stock/multi-generation-family-enjoying-meal-in-garden-together-4pkvez1
https://en.wikipedia.org/wiki/File:Atlantic_salmon_Atlantic_fish.jpg
https://en.wikipedia.org/wiki/File:Atlantic_salmon_redd.jpg