Help! Tail rot?

[Kelswap]

I noticed last night that my axolotl's tail was peeling so I isolated him but this is what it looks like this afternoon. Does anyone know why this happened? I have another axolotl in the same tank and she's fine so it must be an injury of some kind right? I have an exotic vet nearby but I won't be able to take him there until Monday at the earliest.

 

[axolotl nerd]

I noticed last night that my axolotl's tail was peeling so I isolated him but this is what it looks like this afternoon. Does anyone know why this happened? I have another axolotl in the same tank and she's fine so it must be an injury of some kind right? I have an exotic vet nearby but I won't be able to take him there until Monday at the earliest.
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it looks like someone took a particularly nasty bite out of your axie. the white i’m seeing is either fungus or just skin//tissue thats died off (correct me if i’m wrong)
i think the best thing to do would honestly be to amputate the emd of the tail, it doesn’t look like it could heal on its own. it would likely fall off anyways, it looks to be barely handing on. (again, correct me if i’m wrong)
maybe some more pictures, with better lighting?