Nonograms - A sperm whale prepares to attack a giant squid

A couple of pretty difficult and challenging nonograms in a row now for you guys. This one details a scene which probably must have originated in the depths of the creator's imagination. I don't really know how many sperm whales actually attack giant squids, but I can't imagine it happens all that often.

Title: A sperm whale prepares to attack a giant squid
Author: Lalopop
Size: 25x20
Difficulty rating: 3/5