Welcome to TONMO, the premier cephalopod interest community. Founded in 2000, we have built a large community of experts, hobbyists and enthusiasts, some of whom come together when we host our biennial conference. To join in on the fun, sign up - it's free! You can also become a Supporter for just $50/year to remove all ads and gain access to our Supporters forum. Follow us on Twitter and Facebook for more cephy goodness.
How's this .......3 hearts, eyes similar to mammals in structure (although no colour vision) can squeeeeeeeeeze through the tiniest of spaces, beak looks like a parrots, tongue with teeth on it (radula), poisonous saliva, learns by observation, "taste buds" on the suckers.
That's off the top of my head.....no doubt others wil have stuff to add!