Noun
vaquita (plural vaquitas)
A small and critically endangered porpoise, Phocoena sinus, endemic to the northern part of the Gulf of California, Mexico.
“We have been responsible for driving the vaquita to extinction,” he said. Source: Internet
Yet the most serious threat to the vaquita is that for the last few decades its fate has been tied to that of the totoaba, a large fish that also lives only in the gulf and is at the center of a highly lucrative black market trade. Source: Internet