How do you get hammerhead v1 in mech quest?

What is the name of the oil rig? Does warm water kill sand crabs? Will mollies live without a filter? How does a clown fish hear? How do you remove a tiger shark starter? What is the operculum and why is it so important to fish? Is milkfish lives in freshwater? Are all fishermen liars or do only liars fish? How did molly pitche look like? Do plastic decorations kill fish? What are angelfish natural enemies? What is the size of the egg of the shark? How are zebrafish similar to and different from the other zebrafish? Can i return a helmet that i purchased? Can I eat Catfish with gout? Was Taylor dooley in sky high? Is a jellyfish digestive a complete or incomplete? How deep can fresh water fish live? Why does bowel movement smell like a septic tank? What other fish can be put with GloFish in the same tank with out them killing each other?