The scientific name Phocoena is from the Latin word “porpoise” or “pig fish.” Sinus means “cavity,” a reference to the Gulf of California. Put together, Phocoena sinus is the “porpoise of the Gulf of ...

The population of vaquitas (Phocoena sinus) numbered around 600 in the 1990s, according to the Porpoise Conservation Society, a Canadian organization. But it drastically declined in the 2010s as ...

Individuals may be lost, but variation helps protect whole populations from being wiped out in one fell swoop. Enter the vaquita (Phocoena sinus): the world’s smallest cetacean. These happy-looking ...