Genetic investigations showed that there is not only one species of harlequin barb, but a number of sibling species, which have to be described scientifically yet. This becomes very obvious when we come across wild collected specimens. The depicted animal, for example, is a wildcaught from southern Thailand. It is much more elongate than the “normal” aquarium strain of T. heteromorpha.
Text 6 photo: Frank Schäfer
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