Bubble-eyed goldfish develop their fluid-filled eye sacs at around three months old. To prevent eye injuries, you must be incredibly selective about aquarium decor when you set up the fish tank.

From past, Bubble Lite glows anew Christmas decoration: Once commonplace, the liquid-filled effervescent lighting tubes have become a target of Baby Boomer connoisseurs.

The Shedd Aquarium's female zebra shark Bubbles recently gave birth to twins through parthenogenesis, somtimes called "virgin birth." She fertilized her own eggs herself.