Need help finding what type these fish are.

[MegTheFish]

I guess the tetras are as hardy as tetras can get...hardy enough for a begginer but not to be used to cycle a tank. Cories are pretty hardy. FYI, you'll need to get 3 more of the tetras as they are schooling fish. The cories should also be kept in larger groups but they will be fine with just 3, as your tank doesn't have any more room for more cories.

 

[kat and james]

there is some good info on these little guys at
http/www.aquahobby.com/gallery/e_pristella.php
hope that helps!