From http://en.wikipedia.org/wiki/Tetra
So did you see an adipose fin?Originally Posted by Wikipedia
These are Hemigrammus rodwayi, but you might find them being referred to as H. armstrongi as well, which is actually a synonym.
Ever wondered how they get the golden/platinum sheen? They are vunerable to infection of parasites, which causes guanine, that gives them the gold/platinum colour, to be exuded on their scales.
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