Wow...that shark was dead the second the octopus snagged it. There's no way it would break loose from those suckers. The shark needs to swim to put water through it's gills, so the second it stops moving it's gills stop oxygenating the blood...then the octopus draws it in and bites it with a parrot like beak...

<shudder>

(Yes I am the geek who paid attention in HS Bio class h: )