Methuselah is an Australian Lung Fish, and he (she? it? they?) is 90 years old, 4 feet long and about 40 lbs.
He lives in an aquarium in San Francisco,gets fed by hand and loves belly rubs.
And no, you cannot catch him and eat him. He is the smartest creature in San Francisco right now.
Australian lungfish in San Francisco the oldest living aquarium fish