They are simple and quick to connect, and can be re-used.
Cash Acme
no
They are brass body fittings containing an 'O' ring and a serrated steel gripper ( the shark's mouth) at each end. They are excellent for joining different types of water pipe. I use all types of them and the can even join different sizes, -1/2 to 3/4 for instance.
no because a shark can bite!
well, a shark bite is usually created by a shark (when it bites you) and a crocodile bite is usually created by a crocodile.
the great white shark
The cast of Into the Shark Bite - 2010 includes: Andy Casagrande as himself
Coolie cutter shark
YES
The cookie cutter shark
Yes if it takes a big enough bite out of you.
yes