10-07-2009, 03:56 PM
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Fin rot, pigment or something else on these fry? (Advice ASAP?)
Ever since these fry were born, some of them have black edges around their fins. It has not gotten worse, and they have been active and healthy.
I called a friend who breeds swordtails now and then, and he said that black edges on fins are a sign of recent swordtail genetics. This would make sense, since the fry are platy/swordtail hybrids.. whoops.
The ammonia levels were apparently high (.5 -1), but since the fry have been alive and well for almost a week, and the shrimp are as active as always, and I did a 25% water change twice this week to make sure. So, I think the ammonia reading may have been wrong.
Help would be greatly appreciated!