What is on my fish?

[rednecksnob]

Does anyone know what this round thing is on my fish? My aquarium club people have said a few things, a lot of prolapsed anys answers. I looked it up, and the sacks all are clearing looking. This growth is the color of the fish, and looks hard. I found it last night, and this morning her left side has a bulge in the belly area.

 

[ISpeakForTheSeas]

Welcome to Reef2Reef!

This is a good question for the #fishmedic team, so hopefully they'll comment for you soon.

 

[Sharkbait19]

Welcome to the forum!

I would say that looks like a prolapse.

 

[MnFish1]

Does anyone know what this round thing is on my fish? My aquarium club people have said a few things, a lot of prolapsed anys answers. I looked it up, and the sacks all are clearing looking. This growth is the color of the fish, and looks hard. I found it last night, and this morning her left side has a bulge in the belly area.

I'm guessing then - that this happened quickly. It looks like a cloacal prolapse to me - which would be one thing that can happen 'suddenly' (as compared to a tumor, etc). That said, does the base of the pectoral fin also have a similar area? What type of fish is this - its difficult from the picture.

 

[ISpeakForTheSeas]

What type of fish is this - its difficult from the picture.

Looks like an Albino Red Oscar.

 

[MnFish1]

Looks like an Albino Red Oscar.

I thought it could be a freshwater fish as well - but the fish behind it in one of the pictures did not look that way.

 

[Sharkbait19]

Yep it’s an Oscar - behind it looks like a rosy red minnow (potentially as a feeder, and they are not good feeders due to high thiaminase content).

 

[MnFish1]

Yep it’s an Oscar - behind it looks like a rosy red minnow (potentially as a feeder, and they are not good feeders due to high thiaminase content).

I think both of our answers are the same with regards to the problem. But - good spotting the minnow - I would not have been able to tell.