A closer look at fish mouths скачать в хорошем качестве

A closer look at fish mouths

Join Mason Young and Museum scientist Chrissy Williams as they dive into the surprising science behind fish mouths and what we can learn from our collections. Not seen the original video yet? Watch it here:    • Do fish yawn? | Surprising Science   ---------------- The Natural History Museum in London is home to more than 80 million objects, including meteorites, dinosaur bones and a giant squid. Our channel brings the Museum to you, from what goes on behind the scenes to surprising science and stories from our scientists. Subscribe to our channel for the latest films and live broadcasts about the natural world    / naturalhistorymuseum   Browse our shop: https://www.nhmshop.co.uk/ Website: http://www.nhm.ac.uk Twitter:   / nhm_london   Facebook: http://fb.com/naturalhistorymuseum Instagram:   / natural_history_museum   0:00 Mason meets Chrissy and we find out that fish don't yawn but open their mouths for very different reasons. 0:39 We find out how a gulper eel has adapted to feed in the deepest of waters by having an expandable jaw. 1:40 We discover how female Cichlids use their mouths to safeguard the fertilised eggs of their young. 2:20 Sarcastic fringeheads, yes that's right, it's a type of blenny. This fish will expand its jaw to frighten off other fish. 3:21 Chrissy tells us about her favourite fish, which is a salmon. Salmon have a mouth adaptation during spawning season where they develop a mouth hook called a kype. 4:26 Chrissy explains why fish do have their mouths open.