Clownfish are often symbiotically seen with this coral anemone. And about as often there is one larger than the other in the pair. Neither fish eye is in sharp focus. The shutter speed is relatively slow. I was shooting natural light, custom white balance. Focus on moving objects is a challenge and even more so underwater. You can make an image look sharper by dialing down the exposure or increasing the contrast. It will help. I’m just happy with the image but it is not my best and it is not a keeper.