I Think My Black Ghost Knife Is Sick!

sic0198

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I've had it for a few months, minutes ago I looked at my aquariam and I saw my BGK out swimming around. It is close to 5 or so inches and I noticed a brown spot on both sides of it. I thought fish disease (white spot and Ick etc) was normally white. Anyway what is these brown spots? How can I medicate this? His tail looks longer too and it may be changing color too, or I may be seeing things. Help!!!
 
could you post us the water stats, tank size, frequency of water changes, tanks mates and have you added anything recently?

also is the fish displaying any odd behaviour? and how big are the spots and what do they look like?
 
I have added nothing new, we change the water about once a week, tank is cycled (evberything is at zero), it's in a 29 gallon tank (when it gets bigger I wll move it into a larger tank, the brown spots are mayber a little bigger than a quarter.

The temp. is around 76 degrees (I know it should be warmer but it's doing well in this temp) I feed it brine shrimp once a day.

The spots are brown. And it's acting like it alsway does so no abnormal behavoir.
 
it would be very unusual for nitrates to be zero? Do they actually look brown, or are they red? Are they flat or a funny shape?
 
what about nitrates and nitrites? I just got this from the pinned topics is it like this: Skin ulcers
Signs: Ulcers usually show up as raw opened areas on the skin. They often have reddened edges and may be associated with other symptoms of systemic infection or disease.

Cause: Aeromonas, Pseudomonas, Mycobacterium and Vibrio
Transmission: The bacteria are commonly found in the water and will invade a wound or skin injury on an otherwise healthy fish.

Predisposing factors: Previously damaged skin, poor water conditions, and stress can all lead to an increase in ulcers.

Treatment: Antibiotic baths coupled with anti-fungal baths containing phenoxyethanol are the most common treatments. Improving water quality, reducing stress, and decreasing the risk of injury are all very important in reducing the incidence of ulcers.
 
Thanks for that post, I'll put it in a quarantine tank.
 

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