Cephalopod

At first, the small cephalopod was wary.

At first, the small cephalopod is wary. Over time, she reaches out to him with one tentacle and eventually trusts him enough to sit on his chest and let him stroke her.

The vampire squid is a small cephalopod.

In terms of diversity, cephalopods include the egg case making argonauts, shelled nautiluses, venomous blue-ringed octopuses and enigmatic giants like the giant and colossal squid. […] Generally, cephalopod ink includes melanin, enzymes related to melanin production, catecholamines, peptidoglycans, free amino acids and metals (Derby 2014) .