Pogo has released new levels for Quinn's Aquarium today (Antarctic Enclosure - Part 2).
You may not be able to see the new levels until you completed the previous ones. New levels are released on the second Tuesday of each month, so the next release will be available on June 9th.
https://www.pogo.com/games/quinns-aquarium-mahjong
Well, I'll be dipped and doodled! Yeeehaw!
I knew you'd be excited for this one!