Rosaline shark bloated, pregnant, or tumor?

[WiccaFish]

Hey guys,
You've been so helpful in the past I'm hoping I could pick your brains again. My Rosaline shark has a huge belly and I'm not sure what to. It started over the summer and has increased in size since then. At first I thought it was a belly full of eggs but it wouldn't still be full months later, then I thought constipation but I would think she would be dead by now. Tumor?
They are 5 years old, water perimeters are all normal levels. It's a 75 gallon tank with live plants. They eat flakes and frozen blood worms.

 

[emeraldking]

It's not weird for egglayers to carry eggs around for a long, long time. But it could also be an internal problem. It doesn't look like it has dropsy if I look at the scales. But if it's an internal problem, it could be multiple things. Tumor, broken internal organ, worms, parasites, etc...
How's it behaving? Does it eat well? And do you see that it does loose its waste? Long story short: Could you give a bit more info about this specimen?