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Fin rot, pigment or something else on these fry? (Advice ASAP?)

1K views 3 replies 2 participants last post by  kald 
#1 ·
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!
 
#3 ·
Nope, my camera is broken and takes really poor quality pictures now for some reason.

Just imagine a normal fry with black edges on their fins. One of the fry has this same marking, except in a mickey mouse type pattern around it's tail.
 
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