A jigsaw with a tiwst - No two shapes are the same, and each piece is a fish (or other sea creature, plus one that's a diver See if you can spot it). Hours of maddening fun. Have you got what it takes to assemble all 299 fish into a perfect puzzle? n this cunning cluster puzzle, there are no regular jigsaw shapes: each piece takes the outline of the creature itself. And there are 299 of them!