Depends on whether you want it to die or not
A telescope eye goldfish is in the fancy goldfish type, and most fancy golddfish get up to a foot long (with proper care).
A telescope eye goldfish is in the fancy goldfish type, and most fancy golddfish get up to a foot long (with proper care).
A LONG time. +25 years
The best and only good tank mate for fancy goldfish, are other fancy goldfish.
Fancy goldfish can be male or female.
Yes a ryunkin is freshwater. All types of goldfish are freshwater regardless of being a singletail, or fancy type
no goldfish and tropical fish cannot live together. gold fish are cold water fish and tropical fish are tropical fish. also only 2 goldfish can go in a 30 gallon, because goldfish make a lot of waste.
Global warming
There are many similarities between angelfish and goldfish- to name one angelfish and fancy goldfish (especially the oranda) both have several long delicate fins.
The biggest goldfish that are on record are primarily single tailed fish due to the fact that they grow quite long rather than in girth compared to a fancy goldfish such as a fantail.
The oldest living goldfish in the world are Koi (singletail) most likely due to the fact that they are (normally) housed in large ponds. Although there are many fancy goldfish that live a long time, Koi surpass them in longevity.
They are a fancy goldfish (Carassius auratus). They were bred to have scales that look like pearls.