
Shark Bits: Do sharks sleep?
February 11, 2026
As part of my Florida Sea Grant Extension work, I teach and present about elasmobranchs (which includes sharks, rays, and skates) to diverse groups of people. Topics vary, from basic biology to shark fishing regulations, conservation status, ... READ MORE
Category: Coasts & Marine, Conservation, Natural Resources, Wildlife, Work & LifeTags: Florida Sea Grant, Marine, Pgm_Marine, Shark, SharkBits, Sharks, Sleep
![a digital meat thermometer reads 165.3 degrees fahrenheit while checking chicken on a barbecue grill. [credit: uf/ifas, tyle jones; edit: uf/ifas extension sarasota county]](https://blogs.ifas.ufl.edu/sarasotaco/wp-content/blogs.dir/40/files/2024/07/2017_FCS_foodsafetyGrillingThermometer01UPDATE165F_ifasJonesTyler_CROP1650x470.jpg)



![assorted microplastics shown resting on two fingertips, with a pile of microplastics in the background. [credit: uf/ifas, tyler jones]](https://blogs.ifas.ufl.edu/sarasotaco/wp-content/blogs.dir/40/files/2025/02/2017_Waste_microplasticCloseupFingers01_ifasTylerJonesCROP1650x470TINY.png)


