Answer:
What animal dwells in water and best known for its work ethic?
What has a horn but does not honk?
These animals hang out in the mist.
It has plenty of backbone but doesn't have a let. It peels like an orange but it comes from an egg.
It has 8 arms and lots of ink but can't write a word.
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.