The swordtail
(image borrowed from here) Do you know what swordtails are? When I was a little boy, I remember my father would take the family out to the movies almost every weekend. And after that we'd usually grab a bite to eat at this Chinese restaurant. My favorite part of this family weekend ritual, however, was neither the movies nor the eating out. It was this short walk we had to take from the movie theater to the restaurant. For along the way was this little pet shop that offered quite a collection of dogs, cats, birds, guinea pigs and rabbits -- enough to impress my young impressionable mind. But of all the animals at the store, my personal favorite were the fishes. And to my utter delight, the pet shop had all sorts of fishes in all sorts of shapes and colors. But what really caught my eye was this small orange fish that had a pointy little protrusion on its tail, the sword as it were, hence its name, swordtail. Secretly, I wanted to have my own swordtail. But even th...