Like every rose has its thorn, the fangblenny is an adorable fish with sharp fangs and potent venom. But scientists think we might be able to use their venom as a painkiller! Meanwhile, a killer bacterium could be a promising new antibiotic. Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters—we couldn't make SciShow without them! Shout out to Kevin Bealer, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Benny, Kyle Anderson, Tim Curwick, Scott Satovsky Jr, Philippe von Bergen, Bella Nash, Bryce Daifuku, Chris Peters, Patrick D. Ashmore, Charles George, Bader AlGhamdi ---------- 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: Fangblenny www.cell.com/current-biology/fulltext/S0960-9822(17)30269-5 www.eurekalert.org/emb_releases/2017-03/cp-ttl032317.php www.eurekalert.org/emb_releases/2017-03/uoq-ffh031917.php hl-128-171-57-22.library.manoa.hawaii.edu/bitstream/10125/396/1/v26n2-129-139.pdf www.ncbi.nlm.nih.gov/pmc/articles/PMC5331446/ academic.oup.com/abbs/article-lookup/doi/10.1093/abbs/gmq042 www.jstor.org/stable/4064893 Predatory bacteria www.cell.com/biophysj/fulltext/S0006-3495(17)30218-7 www.eurekalert.org/emb_releases/2017-03/cp-hbh032317.php www.ncbi.nlm.nih.gov/pubmed/19575566 www.ncbi.nlm.nih.gov/pmc/articles/PMC3917220/ Image Sources: www.dropbox.com/sh/qoustbp7yopzglm/AAD-ZyTJUtZeF5uMo_UcmkFRa?dl=0 commons.wikimedia.org/wiki/File:Slice_from_electron_cryotomogram_of_Bdellovibrio_bacteriovorus_cell.jpg www.eurekalert.org/multimedia/pub/136343.php