Anonymous asked: Do you know anything about "celestial eye" goldfish? Are there any kinds of fancy goldfish they can't live with? Are they really hard to take care of?
Hollow pond or aquarium ornaments come in all shapes and sizes, from sunken ships, to model houses, chinese temples, slightly open treasure chests, divers helmets, artificial wood, rocky caves, fake skulls, sea shells, or purely decorative. Unfortunately they are a bad idea. The problem is that the water inside the ornament does not circulate. This means it is low in oxygen and high in bacteria....
oldpewterkey asked: On your goldfish info page it's worth mentioning that because of the insane amount of waste from goldfish, that you should never use hollow ornaments; not only do your fish like to hide in them/can get stuck, injured, even killed-but the stagnant water in the hollow sections breeds bad bacteria and can cause severe illness that can lead to death. It is suggested that you fill all hollow...