The Press kit for Series 1 of the show states that Neri's name is a short form of "Nerida" which is Greek and means "A Sea Nymph."
The characters' ages at the beginning of season one: Neri: 13, Jason Bates: 14, Brett Bates: 10, Dianne Bates: Late 30s, Winston Seth: Mid 20s, Lee Lucas: 13 - 14, Vanessa: 12 - 13.
The underwater research facility "ORCA" was modeled after "some gigantic model of an atom."
Marzena Godecki was selected to play the part of Neri from over 500 girls.
Charley, Neri's humpback whale friend, is a 700 kg fiberglass and aluminum prop. The prop was used in scenes where Neri had to be close to the whale.
Marzena Godecki underwent extensive swimming and diving lessons for her part as Neri.