Guppy Losing Colour On Tail

[MUZZ]

Hi there got some new guppies yesterday,one female had a bright orange tail,this morning when i checked fish this one had a white sreak through middle of tail as the day has went on the tail has lost every bit of colour and is now all white,can anyone tell me why this has happened all the rest seem fine apart from this one.

 

[lilfishie]

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tank temp:

Fish Symptoms (include full description including lesion, color, location, fish behavior):

Volume and Frequency of water changes:

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Digital photo (include if possible):

 

[MUZZ]

Tank size:
pH:
ammonia:
nitrite:
nitrate:
kH:
gH:
tank temp:

Fish Symptoms (include full description including lesion, color, location, fish behavior):

Volume and Frequency of water changes:

Chemical Additives or Media in your tank:

Tank inhabitants:

Recent additions to your tank (living or decoration):

Exposure to chemicals:

Digital photo (include if possible):

Hi again,sorry to say i lost that fish last night but others seem happy enough

 

[lilfishie]

aw such a shame, sorry for your loss