I got this one as a gift, they said they wanted to give me a challenge and they did. But I love it now. This is Finding Nemo Impossible puzzle by Clementoni
Clementoni 24472.0 Jigsaw Puzzle Maxi 24 T Nemo: Amazon.de: Toys
Clementoni Impossible Puzzle Finding Nemo 1000 Piece Disney Jigsaw 39359 for sale online | eBay
Clementoni "Nemo" Puzzle (40 Piece) : Amazon.in: Toys & Games