Comparative morphology and systematics of the cookiecutter sharks, genus Isistius Gill (1864) (Chondrichthyes: Squaliformes: Dalatiidae) | PLOS ONE
George T. Probst 🦈 on Twitter: "Seems like there's been an uptick in Tweets about cookie cutter sharks lately. Here are some examples of cookie cutter bites I've seen at Guadalupe in
![Octonauts - Cookiecutter Sharks & The Sardine School | Cartoons for Kids | Underwater Sea Education - YouTube Octonauts - Cookiecutter Sharks & The Sardine School | Cartoons for Kids | Underwater Sea Education - YouTube](https://i.ytimg.com/vi/TAwB40dU1IQ/maxresdefault.jpg)