On a visit to one of our local pet shops last spring, I discovered a fish I could not remember having seen before. It was small, about one inch in overall length, and a very active swimmer with a generally silver colouring. The fish I took to be a male had a number of elongated yellow rays in his lower caudal fin as well as a dark spot near the centre of his body above the anal … [Read more...] about My experiences with Swordtail Characins