Panda Corys Loosing Colour

[ant0]

This doesn't seem quite right. I've had 3 of them for 2-3weeks and they've been cleaning the bottom of the tank up well, they're busy at work now. They all look healthy too, and i've seen them sticking together and playing around more with each other of late

It's just that the colouring on one of their black dorsal fins appears to be diminishing (from the outwards in). This particular Cory's body colour appears to be slightly faded compared to the other two. He looks healthy... is this a sign of anything or is it nothing to worry about?

They've been eating mainly pellets but i've put cucumber, frozen veg and bloodworms in there for them, which they all love. I'm gonna get some live bloodworm tomorrow I think...

Tank stats: 15gallon, Ammonia 0 Nitrite 0 Nitrate 5-10 Hardness 13GH PH7.5
plenty of plants, driftwood/bogwood, stones, gravel/sand substrate
8X neon tetra
2X molly
1X guppy
3X Panda Cory
3X Otocinclus Affinis

Any advice for me? Cheers

 

[AlexAndCarmen]

I have found this too with one of my panda cories. When we got him, he was still a juvie and very dark, like the rest of them. But as he matured, his dark fin and band on his eyes faded. He is very active, eats and is acting like a normal cory, so I didn't worry too much. He is also one of our spawning males, and we have plenty panda fry from him.

So unless the fish physically looks and acts sick, I don't think you need to worry too much.