Ok i looked at the ones i think were limatus and they have almost no colour - so probably not the species they were sold as - they hang near the front and is almost impossible to get a good picture so none offered. I also have one outlier that is almost all gold - but lacks the red of a marginatus and has one less black stripe. Not sure if it came in with the marginatus i purchased from wetspot a month ago (those were the ones pictured above) or with the sao whatever from aquaticclarity but it is a sample of one.Nope. This is the caudal of your fish. That is a N. trifasicatus/erythrurus pattern. Compare that to the solid red caudal of N. limatus above.
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Also i offer this picture for today since i could not get a good one of the pencil fishes; no clue how old he is - purchased him 2 years ago and he was already a full grown adult.
