Named for its scales' resemblance to the multicolored gemstone, this freshwater fish is enchanting to behold. Whether it is aware of its own beauty has yet to be determined.
[Suitable for printing on small canvases.]
As its name suggests, the opal tetra's scales gleam with brilliant color. Indeed, it is no less precious than a gem to aquarists, who firmly believe that the mere sight of the iridescent wavekin can cure most ails.