English: This Xiphophorus xiphidium is endemic to Rio Santa Engracias at Tamaulipas in Mexico. It's a platy which has got a short bottom sword unlike other platies. It's a vey easy and hardy fish to keep.
There are four phenotypes of the Xiphophorus xiphidium The so-called "one spot", "two spot" and "crescent" variety. And the variety with a clear caudal penducle.
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