Not that I think these are the oldest or biggest out there, here's a few pics of some corals that I have in my 180.
1- Red Monti, bought as a frag, now is everywhere. Have traded 2 dinner-plate sized ones like the one in the bottom of the pic. 5 years
2- Wall Hammer, was bought pretty large, but has grown over time. 7+ years
3- Torch coral, was bought as a 12 head piece. After losing a few heads here and there, is about an 18 head now. 7+ years
4- Pagoda Cup coral, was bought fairly large and has grown some, but they grow pretty slow. It's a very large 3 dimensional piece, the back side has the cup to it, pictures don't really do it justice. 7+ years
5- Toadstool Leather, given to me by a Pet-co associate as a dying hockey puck 7+ years ago. The one in the back is the original, it has fragged off at least 40 pieces over time.
6- Hydnophora, unfortunately I'm losing this one :-(, but here's a pic after 6 years, before its tissue recession. I am now losing it at an alarming rate, from the bottom up...Bought as a frag...just don't get it... All other corals are doing great, params are good, weekly PWC's...it's killing me!! I loved this coral.
Anyway, just wanted to share.
Hydnophora
Leathers with a 5" Yellow tang, and 4+" Copperband
Pagoda Cup
Torch coral
Wall Hammer during PWC
Wall Hammer
Red Monti traded for Sunset Monti frag and salt.
FTS
I know it's not a coral, but I had to put a shot of my 7+ year old Sebae!!