Oh man, I don't think its going to make it.He has stopped eating and is unable to swim.
Yes, I will definitely tell you but I will try my best to save him.
What size is that aquarium? How many fish ? Im sure you keep your nitrates below 40ppm . But i definitely would right now.
To be honest it looks like he spooked and slammed into the covers or wall of the tank and damaged his spineIt was in good condition when I purchased it. It was not bent.