User blog comment:The Milkman/No Love For Leviathan?/@comment-4947725-20120918053701/@comment-5521671-20120918171956

Yes, the Leviathan that talked with Shepard said he/she was a progeny from the ones that created the intelligence(Catalyst).

Well the leviathans never showed any concern in helping the other species against the Reapers and from the talking with Shepard i got the feeling they were pretty much resigned to live in the shadows. We also don't know how they think or how they see the passage of time(their life expectancy is unknown).

Anyway i am ok with them being this way, i enjoy it. :)