How to get
Like the baby Kraken, Tortoise Oasis, Shih Tzu, Rainbow Lizard, Dodo Bird, Loch Ness Monster, and Chip and Dip, complete Adventuring Ship challenges at the HMS Bravado island, fulfilling the Commodore's requests, to collect the 50 stickers required to adopt this pet at the Pet Sanctuary.
Something is speeding towards the Adventuring Ship! See what has arrived by carrying out the adventures for the Commodore on his Adventuring Ship. This is the only way to collect Rainbow Snail stickers.