dwarf neon rainbow fish

[jh81271]

hi all
does anybody know at what size and age do these fish develope the red fins.mine are about 1 3/4" long but have no colour in fins is this normal for this fish!any replys much appreciated
many thanks jason

 

[LondonDragon]

I have tried these rainbows twice now and both times they didn't last long, on the other hand Bosemani thrive in my tank for years.

 

[jh81271]

i hope mine dont go down the same lines such lovely fish.sorry to here about yours its always a crusher to lose fish .ive been loosing galaxy rasboras to dropsy for some reason its a pain in the backside
cheers J