[yldstrk]

What is the distinction between a dolphin and a porpoise

[Second Amendment First]

From wiki: The most obvious visible difference between the two groups is that porpoises have shorter beaks and flattened, spade-shaped teeth distinct from the conical teeth of dolphins.

I think dolphins can get to be twice as large also.

[Alex Murphy]

What is the distinction between a dolphin and a porpoise

Dolphins send more lobbyists to Washington. Case in point: you don't see any "porpoise-safe" labels on tuna, do you?

[bert]

dolphins are fish...... Mahi Mahi

porpoises are mammals

Except that some porpoises are called dolphins