Fish that have live-bearing offspring include the guppy and mollies or "Poecilia". About 43 species of freshwater fish are known from Trinidad, including the well known guppy. They are prolific breeders like their guppy relatives. A guppy tells Mr. Grouper about the earlier experience. Noted pan tuners and producers include Darren Dyke, Mappo, Bertrand Kelman, and Herman Guppy. There were three types&colon; the Pregnant Guppy, Super Guppy, and Mini Guppy. Outsize cargo may require a fuselage with unusual proportions, such as the Super Guppy. The other GUPPY IIIs retained all four engines. The necessary investors were recruited by Brunel's friend, Thomas Guppy, a Bristol engineer and businessman. They lacked the sonar and electronics upgrades of other GUPPY conversions. The Super Guppy and the Mini Guppy had turboprop engines. Two versions of the Mini Guppy were produced. World War II era submarines that were upgraded under GUPPY II program. He was immediately replaced by MetroStars executive John Guppy. This was the only production conversion with Guppy batteries.