Older carpintis male, also in same tank. you can tell red texas because they will have prominent markings down the sides that fade when and if they turn to super red. Regular carpintis and Texas don't have the markings that are similar to flowerhorn, yes they have some black but you will notice that the pearls bleed into the black on a regular, non red Texas. View attachment 795372
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Also it may be better to sell these as unfaded rt. The reason why rt and srt fetch a handsome price is because the faded ones are intense red or orange with lovely pearls that set them apart from the Carpintis or Cyan used to create them.