response: Can't help on the actual size but there is a larger species called "M. birostris".
original_response: Well I knot there's a larger species that's called M. birostris width wise.
history: Hi!  Do you know anything about manta rays? I know they are found in warm temperature such as subtropical and tropical water! They are pretty amazing creatures.  You can swim with them as they are quite docile. Yes, they are also large rays that belong to the "Manta" genus. Wow!  do you know any other cool facts about them?  I didn't know their genus! So they are similar to whales as in they breach, but no one really knows why! That is crazy.  I would never have thought they would be grouped with whales.  How big do they get?
knowledge: The larger species, ''M. birostris'', reaches in width while the smaller, ''M. alfredi'', reaches .