Porpoise (scuba gear) Porpoises still exist. Only a few of these early models are known today, the rarest being the CA-2, made for use with two tanks. Porpoise (scuba gear) Porpoise is a tradename for scuba developed by Ted Eldred in Australia and made there from the late 1940s onwards. The first Porpoise was a closed circuit oxygen rebreather, and the following models were all single hose open circuit regulators. This rebreather was developed by Ted Eldred in the late 1940s and early 1950s. Some were made and used for sport diving, but they did not go into full production. It was worn
Fabien Cousteau Fabien Cousteau Fabien Cousteau (born 2 October 1967) is an aquanaut, ocean conservationist, and documentary filmmaker. As the first grandson of Jacques-Yves Cousteau, Fabien spent his early years aboard his grandfather’s ships Calypso and Alcyone; learning how to scuba dive on his fourth birthday. From 2000–2002, Fabien was an Explorer-at-Large for National Geographic and collaborated on a TV special aimed at changing public conceptions about sharks called "Attack of the Mystery Shark". Then in 2003–2006, he produced the documentary "" that aired on CBS. With the help of a large crew, Fabien created a 14-foot, 1,200-pound, lifelike shark submarine called