The padjals are indeed well respected among the Gridanians. People from other parts of the Eorzean Alliance will probably not have quite the same degree of respect for someone who looks like they are still in their teens.
Nanamo may look young, but then it is hard to tell the age of a Lalafell by looks alone.
Fernehalwes is one of the developers - in particular I think he is involved with localization into English - who often answers lore-related questions on the official forums.
Over to the original question: While I haven't played through everything in the game yet, I don't remember anything that would indicate how old moogles can get.
Nanamo may look young, but then it is hard to tell the age of a Lalafell by looks alone.
Fernehalwes is one of the developers - in particular I think he is involved with localization into English - who often answers lore-related questions on the official forums.
Over to the original question: While I haven't played through everything in the game yet, I don't remember anything that would indicate how old moogles can get.
