Movie 2

4 dpf larva embedded in 2.5% agar with 0.5% phenol red solution. Once water is added, phenol red quickly diffuses out of the agar.

Evaluating the physiological significance of hypoxic hyperventilation in larval zebrafish (Danio rerio)

Yihang K. Pan, Milica Mandic, Alex M. Zimmer, and Steve F. Perry

Journal of Experimental Biology 2019. 222:None-None; doi: 10.1242/jeb.204800