Board Thread:Kart Kingdom/@comment-2601:248:301:4B50:A94A:8245:10EF:EED1-20180411122450/@comment-31322722-20180416203400

You need to jump on the fish until you get to the second to last one on the right side of the screen, then jump on the fish up and left. There will be a platform at the edge of the area and you'll find the octopus there.