Neons Losing Color

[jtnova13]

i have 10 tetra in a 20 gallon tank, all water params good:

ph 6.6-6.8
nitrite/ammon: 0
nitrate: ~40 ppm

I happened to turn the light on one night after it had been off for 3 hours and all of the neons were clear! no neon, no red, and a little bit of blue. I was scared but when i came back home this afternoon they all had their color back. Why is this happening?

 

[geo7x]

Yeah i think it was because you left the light on for a long time, neons colour tends to 'fade', or so i heard.

 

[Griz]

Nothing to worry about - this is actually normal. Many fish will lose colour at night, perhaps it's a survival adaptation to make them less visible to predators. My pencilfish actually changes it's pattern completely, developing a blotchy camouflage appearance.

 

[Lateral Line]

I posted an explanation of this common phenomenon a few years back, in this thread.

 

[jtnova13]

thanks ll i searched for it but i guess i was too specific with my search! useful info.

 

[Qays]

I posted an explanation of this common phenomenon a few years back, in this thread.

Very good explaination!