Nice ray, Matt. Which tank is it in? I can't get a bearing on how big it is.
I was wondering if you could tell me how fast an arapaima can grow? Ours is probably about five and a half feet and our records claim that it is only four years old. We had a hard time thinking that was possible.
The tiger is about 28"-30"...it's the largest one I've seen in person.
Arapaima grow very fast. A "slow" growth rate would put yours about 4- 5 years old. SO it sounds like your records are right on. Mine is 6' right now and is about 3 or so. But we have him on the fast track for growing. I'm sure John will confirm that about "Sam" as well. These things grow like weeds.