 Dorcas was also responsible for the creation of Piranha when a normal piranha was exposed to the remaining radiation from Dorcas' previous experiment.Attuma, Dorcas, and Tiger Shark captured Hydro-Base and took Namor prisoner there.Namor regained his freedom with the help of the Hydro-Men, and attacked the conspirators, throwing Tiger Shark into one of Attuma's war machines.