Richard Herrmann / Pacific White-sided Dolphin (Lagenorhynchus obliquidens) pod, Nine Mile Bank, San Diego, California

Mark Carwardine / Pacific white-sided dolphin / Lag (Lagenorhynchus obliquidens) swimming fast, showing dorsal fin, Johnstone Strait, Vancouver Island, British Columbia, western Canada

Martin Camm / Carwardine / Illustration of Pacific white-sided dolphin / Lag (Lagenorhynchus obliquidens), Delphinidae (Wildlife Art Company).

Shattil & Rozinski / Pacific white-sided dolphin (Lagenorhynchus obliquidens) surfacing off the coast of British Columbia, Canada, September

Doug Allan / Pacific white sided dolphin, CA (Lagenorhynchus obliquidens) USA California

Doug Allan / Pacific white sided dolphin, USA off California

Richard Herrmann / Pacific White-sided Dolphin (Lagenorhynchus obliquidens) surfacing, Mission Beach, San Diego, California

Richard Herrmann / Pacific White-sided Dolphin (Lagenorhynchus obliquidens) surfacing, Mission Beach, San Diego, California

Chase Dekker / Pacific White-sided Dolphin (Lagenorhynchus obliquidens) leaping, Monterey Bay, California

Richard Herrmann / Pacific White-sided Dolphin (Lagenorhynchus obliquidens) pair hunting Northern Anchovy (Engraulis mordax), Nine Mile Bank, San Diego, California

Richard Herrmann / Pacific White-sided Dolphin (Lagenorhynchus obliquidens) pair hunting Northern Anchovy (Engraulis mordax), Nine Mile Bank, San Diego, California

Mark Carwardine / Pacific white sided dolphins (Lagenorhynchus obliquidens) porpoising in waves, Baja California, Mexico.