Bristlenose in trouble

[cambojnr]

for the last 2-2 1/2 weeks I haven't seen my 3 year old female BN pleco out and about, but I could see her tail in the opening of the driftwood cave she hides in, so I thought nothing of it, then today when I have came back from work, she is finally out, but sitting in the corner with quite white a bloody gouge on her head, fins torn to shreads, and her left gill spikes appear to be stuck out. She is also not moving unless pushed with the net. Any ideas?

My water parameters are
Ammonia 0ppm
Nitrite 0ppm
Nitrate 50ppm ish
Temp 28.2
Tank is 300 is liters with the stocking as follows
6 sterbai Cory
2 bronze Cory
4 cardinal tetra
4 angel fish
20 ish rummynoses
1 female BN pleco
And 1 male peppermint BN pleco ( 1 year old)

 

[Tyler_Fishman]

Hmm, does the male show aggression towards her? My male BN certainly harasses my female multiple times, tetras certainly cannot harm a BN like that, cories are gentle, nirtrate is a little high it should really be at 20ppm but that isn't really a cause of concern in this case, I think she revived physical damage from something in your tank, she may of hurt herself in the filtration, what's the filter? The damage on her head appears to be a physical wound. Plecs are tough, maybe she got caught in the driftwood? What's your decor