There are two frog statues and you have to click the buttons on the frogs in a specific pattern. If you have trouble with this talk to GG when you are in the water at the gate. I personally found this a bit tricky and you may have to try it a few times but once you have done it you are able to go through.
No, though in Endless Ocean 2 they can.
yes it is the same
there is a game called my aquarium and another called ocean commander
no
First of all, there are new locations and creatures not in the previous games. 2, dangerous creatures can attack you.
they are a new species of whales
Molly
Progress in the main storyline until you reach North Coast of Canada, after completing this part of the quest, the aquarium should be open for use.
2010 spring don't know what the dates are
you can find it in the north canyon
it goes with the story, so you will have to wait.
yes,in the cicsros strait