Fin rot on bjt

[Guynamedfish]

My blue jaw triggerfish looks to have fin rot she has a black spot on her tail and has tiny tears on her fin

 

[Guynamedfish]

I will try to get a photo of it and see if it is fin rot and also what can I do to help her

 

[Sebastiancrab]

Medics will need pictures taken in white light. Also see this sticky thread:

Some Helpful Hints When Posting or Responding to Threads in the Fish Disease Treatment and Diagnosis Section

Aquarium Fish Disease Problem Solving Determining the best course of action for a problem with your aquarium can be a difficult task. Even advanced aquarists will often need to seek the help of others for complicated or unique issues. Our intent here on Reef 2 Reef is to offer expert advice...

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[Guynamedfish]

Ok so the water volume is 75 gallon
It’s a fish only Fowlr it’s filtration is 575 canister filter and a protein skimmer I don’t know the lighting brand or anything but it’s been very recently established it just finished cycling like 2 to 3 days ago here’s the photo

 

[Guynamedfish]

Heard the bjt

 

[Sebastiancrab]

@ jay hemdal

Heard the bjt

 

[Guynamedfish]

Do any of you know if she has fin rot it’s had to see in the picture but his top and bottom fins are kinda rigid

 

[Guynamedfish]

Hard

 

[Guynamedfish]

Now she isn’t eating at all I’ve also gotten a better picture of her ut looks to me she has fin rot i don’t know I’m picking up some medicine for the fin rot today so but I still can tell much that it’s fin rot