Long-form writing on the ocean science behind Chlorofishy — satellite data, fish behavior, and the physics that connects them.
By Mathew Auric · August 2026
Young California yellowtail ride warm water up from Baja before some of them go resident on Southern California reefs for good. What splits the migrants from the mossbacks comes down to temperature and chlorophyll, not chance.
By Mathew Auric · April 2026
The Secchi depth relationship lets a satellite chlorophyll reading stand in for an underwater visibility estimate — useful before a dive or spearfishing trip, but only as a best-case ceiling. The formula, where it comes from, and where it breaks down.