# sundayfishsketch dinosaurs evolution physiology

tuna kick so much ass they have more myoblogin in their blood (why their flesh is red instead of white) and are some of the ONLY fish that have developed endothermy, which delivers more heat/oxygen to their muscles and lets them swim stupid fast

3 32
2022-01-04

Extremely sloppy
Sword fish and relatives have brain endothermy. Warmer brain and optic nerve benefit these organs when fish encounter steep thermal changes (e.g. deep dives). More in the paper by Wainwright and Longo https://t.co/FSxvC7xRnz

2 21
2020-10-05

From : "Shrinking and the evolution of endothermy in birds" https://t.co/Tcjao890nV

0 3
2020-01-21

Just published – Fires of Life: Endothermy in Birds and Mammals https://t.co/dvf4mBzjEE A fascinating read on the evolution of warm-bloodedness (or endothermy, as it is technically known)

3 2
2019-08-16