https://open.spotify.com/episode/2UIa2oFpfoziARVPaq54Wb?si=ca5c25e2ef6c42e5 The sixgill shark (Hexanchus griseus) is the largest of the Hexanchiformes order of sharks, the most primitive living sharks, sometimes called “fossil sharks”. The sixgill, sometimes known as the blunt nose sixgill or cow shark, can grow to over 6 metres (20 feet) in length and weigh over a tonne. What’s interesting is that … Continue reading 155: Sixgill Sharks and Flapper Skates with Patrick Collins →