Borbonius with mass

[mcwhng]

I have a 2yr old Borbonius that has gradually over 6-9 months developed a dark spot near the tail that has brown and now is about 1/4 inch in diameter

 

[P-Dub]

A picture is worth a thousand words.

 

[dealseer]

He’s posted this multiple times. One post has a good picture

 

[mcwhng]

Sorry but first time posting.
Have second shot below.
50gallon mixed reef up for 2 1/2 yrs and no new fish for 1 1/2 yrs, only corals and snails. No other fish appear to have any problems and have not had any fish deaths since start of tank. All fish quarantined for 2-3 months before addition to reef. Borbonius in no distress, eats and swims like a champ. In fact it’s the alpha dog in the tank and keeps a library’s wrasse, 2spot tang, and starckii damsel in line.

 

[mcwhng]

Sorry dam iPhone autocorrect-lineatus wrasse.

 

[P-Dub]

Haven't a clue and would be guessing at this point. If you can snap a photo under white light to better see color (Brown) this might help. If I were to take a stab at it I would guess hypermelanization but I haven't heard of this in Pseudo Anthias.

 

[mcwhng]

Problem is the area around this mass is swollen and has a dark red center spot on the skin surface. Any disease experts able to chime in? Mely? Humblefish?

 

[mcwhng]

Got another shot under whites

 

[mcwhng]

Started off as a tiny dark spot under the skin and scales, now appears to have broken out into the surface

 

[mcwhng]

Haven't a clue and would be guessing at this point. If you can snap a photo under white light to better see color (Brown) this might help. If I were to take a stab at it I would guess hypermelanization but I haven't heard of this in Pseudo Anthias.

Thought about that at first but it kept growing larger and just broke skin surface.

 

[mcwhng]

@melypr, @Humblefish

 

[Humblefish]

Looks like a bruise, but that smaller "hole" is indicative of a bacterial infection: https://www.reef2reef.com/threads/bacterial-infections.191511/

I would begin antibiotic treatment immediately: https://www.reef2reef.com/threads/antibiotics.283711/

Specifically, Kanaplex + Furan-2 + Metroplex. I would also food soak Kanaplex, using Seachem Focus to bind the medication to food.

 

[mcwhng]

Looks like a bruise, but that smaller "hole" is indicative of a bacterial infection: https://www.reef2reef.com/threads/bacterial-infections.191511/

I would begin antibiotic treatment immediately: https://www.reef2reef.com/threads/antibiotics.283711/

Specifically, Kanaplex + Furan-2 + Metroplex. I would also food soak Kanaplex, using Seachem Focus to bind the medication to food.

Thanks much- was leaning that way.
I assume isolation in QT tank and treatment is the way to go?

 

[Humblefish]

I assume isolation in QT tank and treatment is the way to go?

Yes