That is the problem with common name. LTA is the common name of either Heteractis crispa or Macrodactyla doreensis. Some people even use it for Heteractis malu.
This anemone is most likely a H. crispa. Good job at bring him back. If you can take a picture of the column, even just near the top, then I can tell for sure that it is a Crispa or Doreensis.
Sebae is a common name for either H. crispa or H. malu