My pet goldfish

"When I was four, I got my first pet: a fish no bigger than my hand, with red and orange scales. My very own goldfish! In his big tank in the kitchen, Richard the goldfish quickly bonds with-and even learns to recognize-his human companion, who tells him all about his day after school. A visiting friend, Sandy, shares some cool fish facts: Did you know that goldfish nap with their eyes open-because they don't have eyelids? Or that they can let yo...