Among the hundreds of guppy varieties, the best known feature of the male fish is its gorgeous dorsal and caudal fins. 在成千上百的孔雀鱼品种中，雄鱼最著名的特色就是它们华丽的背鳍和尾鳍。
Fish need oxygen to survive.If your guppies are gasping at the water's surface, this is a sign that there is not enough oxygen in the tank for the number of fish you have. 孔雀鱼需要氧气才能存活，所以当我们看到它们无力的浮游在水面上换气时，这就是一种警讯并代表饲养缸里的水中含氧量不足。
