You should check out my thread on these archers! We share common interests in our fish. I was very concerned when I dropped $250 to have 5 x3" delivered to my house. They are doing GREAT, gained some weight and some length in one months time. I am feeding FD black soldier fly larvae (Amazon.com) nls floating pellets, Hikari floating sticks, FD krill. I believe they grow to 6", and actually get along very well with my 6" Jac Archerfish.
http://www.monsterfishkeepers.com/f...clouded-archerfish.672255/page-2#post-7567443

The 3" stock I got from them are very healthy. Ate the next day. Trust me, buy this from Amazon, having insects in their diet is important. Great phos to calcium ratio, even read about the Lauric acid potentially helping against diseases, etc. Either it's wishful thinking, but I swear they have put on some size in just one month. Hopefully, they don't grow as slow as clown loaches...
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