Before the United Nations established a moratorium on the use of high seas drift nets in 1993, Pacific white-sided dolphins were frequently caught in the nets of Japanese and Korean squid fisheries. Today the species is better protected, and the total North Pacific population is estimated to approach one million. Learn more about the Lagenorhynchus obliguidens, more commonly known as a Pacific White-sided Dolphin, in this easy-to-read species overview by the Smithsonian's National Museum of Natural History.