Nice Emerald Corys (I believe). These are great community fish. I have Pandas, Emeralds, Greys, Albinos, Jenyns and some pretty rare Orange Saddle Corys I got from a little "Mom and Pop" fish store here.
Corys are long livers if you give them a lot of very clean water. I change half the water in my tanks every week. I have low light tanks and have a lot of cover on the bottom.
I've had some for five years, but have heard of Corys living as long as 13 years.
"Fear not, my young apprentice. Just change the tank water."