Age of Tetras

The Age of Tetras is an age that started on the 24th December 2017. It is characterized by the appearance of the Green Neon Tetras which made tetras by far the most populous group in the tank. The group has proved to be more adaptable and resistant to disease than the guppies and thus the guppies are now declining. All but 2 guppies from before the late Age of Neo-Guppies have gone extinct. Even with the new guppies that have popped up, they are in danger and unless they can survive and reproduce before dying they may disappear by the end of this age which is clearly not going anywhere anytime soon.

The Age of Tetras, along with the Tetra Era ended on the 15th April 2018 after the April 2018 Extinction Event. The next age is the Age of Livebearers, part of the Livebearer Era.