Red neon. Easy to determine sex. Long fin are male.






Red neon. Easy to determine sex. Long fin are male.


Here is a pair of them. I was told that the more colorful one is male. Or are they both female?





The first photo should be a male





The second photo do shows a pair, the horizontal one is male and female is vertical





This is a male one from my tank. Notice the fin
ImageUploadedByTapatalk1430050771.299433.jpg


By the way, is $6 a pair considered a reasonable price?





$6 a pair is reasonable. Can share where you bought it?

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