What kind is my lonely datnoid?

[thebiggerthebetter]

Good catch by Sean. Pbass are getting too big for comfort, so get moved out:

 

[thebiggerthebetter]

First loss of a big dat. 3-bar indo originally from Vincent Wu via Roderigo.
7 years with us.
20 inches, probably 10yo.
Natural? I read 10-15 years is the expectation but maybe you could teach me better?