I got my tat at around the same size. It was a process with him. I first started by getting a hydor water circulator to increase current in tank and raised my temp to 82 degrees after about a week of not eating and within about a day he started following goldfish and started eating the next day.
After about a week he started eating frozen silversides and then frozen shrimp and turned his nose up to the silversides and eats nothing but shrimp now.
I then moved him into my 300 and he didn't eat for a couple weeks. Mainly catfish, loaches, and an eel in it. I then purchased a golden dorado to go into the 300 and they were almost instantly best friends. My tat has come out of his shell and even though the dorado is a seriously aggressive eater and even trys to get the food from the tat he seems to enjoy the competition. They are swimming side by side most the time or tail chasing each other ( not in a harmful way, just playful). I am not saying to go get a dorado, maybe I am just lucky, but I do think they do better with a little comrodary or at least a little competition.
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After about a week he started eating frozen silversides and then frozen shrimp and turned his nose up to the silversides and eats nothing but shrimp now.
I then moved him into my 300 and he didn't eat for a couple weeks. Mainly catfish, loaches, and an eel in it. I then purchased a golden dorado to go into the 300 and they were almost instantly best friends. My tat has come out of his shell and even though the dorado is a seriously aggressive eater and even trys to get the food from the tat he seems to enjoy the competition. They are swimming side by side most the time or tail chasing each other ( not in a harmful way, just playful). I am not saying to go get a dorado, maybe I am just lucky, but I do think they do better with a little comrodary or at least a little competition.
Sent from my HTC Sensation 4G using MonsterAquariaNetwork App