IT’S AN HOUR BEFORE DAWN, SOMEWHERE OFF THE COAST OF BAJA, MEXICO. One of the eight residents of the SeaLegacy 1, a 62-foot sailboat, is beginning to stir from their bunk. It’s hard to sleep in late—for one thing, the quarters are cramped. Once someone is up, everyone is up. But also, occupants of this vessel are in a race against time, and the sense of urgency in their work pulses louder than any alarm clock. Today, they’re hoping to film fevers of mobula rays, or possibly pods of giant blue whales, or maybe orcas.
The SeaLegacy 1 is the office, home, and workshop of Paul Nicklen, 54, and Cristina Mittermeier, 58, life partners and two of the cofounders of SeaLegacy, a small organization of photographers and videographers documenting ocean…