Dall's porpoise is a species of porpoise endemic to the North Pacific. It is the largest of porpoises and the only member of the genus Phocoenoides. The species is named after American naturalist W. H
William Healey Dall's 1873 field notes on Phocoenoides from the Smithsonian Institution's Field Books collection
A Dall's porpoise on a calm day in the Shelikof Strait
A group of Dall's porpoises near Point Reyes
The dwarf sperm whale is a sperm whale that inhabits temperate and tropical oceans worldwide, in particular continental shelves and slopes. It was first described by biologist Richard Owen in 1866, ba
Museum model of a dwarf sperm whale
The elongate jewel squid (Histioteuthis reversa) is a common prey item.