Whether grilled, on sushin or mixed into stir fry or ceviche, there are many ways to consume octopus. But given their well-known, almost human-like intelligence, it begs the question: is it ethical to ...

SISAL, YUCATÁN, MEXICO — In a damp, darkened shoreside laboratory near the Yucatán hamlet of Sisal, Carlos Rosas Vázquez lifts one of the scores of small conch shells littering a black plastic tank.

"Octopus" is from the Greek. "Octopi" would be the plural if it were Latin. The correct Greek pluralization would be "octopodes" (oct-TUP-oh-deez). However, as one lexicographer put it "the only time ...