. "Eteno (Species)"@en . "The Eteno species stems from a powerful group of phytoplankton and fish, known as the Helduns. Helduns were unique in that they were very aggressive and contained unusual amounts of muscle. While the Eteno are average in strength compared to other species in the galaxy, they are much stronger than creatures of similar height."@en . . "The Eteno species stems from a powerful group of phytoplankton and fish, known as the Helduns. Helduns were unique in that they were very aggressive and contained unusual amounts of muscle. While the Eteno are average in strength compared to other species in the galaxy, they are much stronger than creatures of similar height."@en .