Answer:
What animal dwells in water and best known for its work ethic?
What fish came first?
I can 'fly' underwater and have eight arms. What am I?
It rows quickly with four oars but never comes out from under his own roof. What is it?
I have no teeth but I can swallow my food whole. I slither on the ground. What am I?
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.