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Showing results for tags 'xiphophorus helleri'.
Can anyone tell me what this is? My male swordtail has developed a bump on his back. He is eating, swimming normally and chasing the females as usual. I have had him for 5 months in my well established planted community tank. He is a prolific breeder lol. 29 gal 0 ammonia 0 nitrites 40 nitrates 8.0 pH