Ralph Pace / California Yellowtail (Seriola lalandi) school, California

David Fleetham / Great white shark (Carcharodon carcharias) swimming below water's surface as California yellowtail (Seriola lalandi dorsalis) shoal swims behind, Guadalupe Island, Mexico, Pacific Ocean.

Franco Banfi / Yellowtail surgeonfish (Prionurus punctatus) swimming beneath huge shoal of Sardines (Sardina sp.), Espiritu Santo Island, Baja California, Mexico, Sea of Cortez.

Franco Banfi / Yellowtail surgeonfish (Prionurus punctatus) shoal swimming over seabed with Sardine (Sardina sp.) shoal behind, Espiritu Santo Island, Baja California, Mexico, Sea of Cortez.

Franco Banfi / Yellowtail surgeonfish (Prionurus punctatus) shoal swimming over rocky seabed, Espiritu Santo Island, Baja California, Mexico, Sea of Cortez.

David Fleetham / California yellowtail / Yellowtail amberjack (Seriola lalandi dorsalis) swimming mid-ocean, Guadalupe Island, Mexico, Pacific Ocean.

Henley Spiers / Olive ridley turtle (Lepidochelys olivacea) resting on seabed surrounded by group of cleaner fish including Yellowtail surgeonfish (Prionurus punctatus), Mexican hogfish (Bodianus diplotaenia) and Ki...

Claudio Contreras / Yellowtail surgeonfish (Prionurus punctatus), La Reina Islet, close to Cerralvo Island (Jacques Cousteau Island), Gulf of California Islands Protected Area, Gulf of California

Claudio Contreras / Yellowtail surgeonfish (Prionurus punctatus), Cerralvo Island (Jacques Cousteau Island), Gulf of California Islands Protected Area, Gulf of California