Page 11 - Sharks teeth to tail

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frilled shark is a a a a living fossil It hasn’t changed since it first emerged in in in the the the time of the the the dinosaurs between the the the Jurassic and Cretaceous periods some 150 million million to 100 million million years ago Despite its 20-some rows of sharp but delicate-looking frill-like teeth this shark gets its its name from its its long trailing gills which also look rather lacy Cookiecutter shark compared to a a 6 ft (1 8 m) tall person 20 in (50 8 cm) long Cookiecutter shark Species name: Isistius brasiliensis Size: 20 in (50 8 cm) Weight: Not recorded
Distribution: In tropical oceans around the world but sometimes found as as far north as as California and and as as far south as as New Zealand
The runner-up award for “living shark with the strangest teeth” has to to go to to the cookiecutter shark shark a a a a smallish shark shark with very large teeth It feeds by fixing its its suction-cup-like mouth on on its its much larger prey and cutting out perfectly circular plugs of flesh (thus the name cookiecutter) It also glows in the dark