Inspired by all the sea creatures that are hurt/lose their lives because of poaching. Could also be related to how we eat fish and other sea creatures, but that might be a little too controversial.
Cimorene wrote: I am the creature lurking deep down in the deepest oceans, all the way to the point where the only light appears as tiny blue lanterns and the darkness is heavy. I'm a predator and killer, just waiting for prey to get close before jumping out fromt he darkness that covers me.