By means of my finger nail, I scratched through the peritoneum on the left side of the aorta, and then gradually passed my finger between the aorta and the spine, and again penetrated the peritoneum, on the right side of the aorta. I had now my finger under the artery, and by its ...
<Hello Lindsay. The short answer is that yes, the spine and the fin membrane should grow back. Assuming water quality was good, I wouldn't bother adding any medication to the aquarium. Under normal circumstances, fish repair this type of physical quite quickly. Keep an eye out on the cat...