They prefer slow-moving freshwater in cooler climates but can tolerate even muddy low oxygen waters. Originally hailing from East Asia, goldfish are now found all over Asia, Europe and North America, where they are considered an invasive pest species. If you treat your fish pet with the same basic care an aquarist would for any other fish, you should enjoy many years of companionship with these stunning and surprisingly intelligent fish. They are a low maintenance fish, but this does of course not mean ‘no maintenance’. They are a very hardy fish that can tolerate the kind of mistakes one could expect from a novice, but this hardiness has likely led to the belief that they naturally have very short lifespans, as they may show few signs of stress until conditions become deadly. Usually believed to require only a small bowl and expected to live for a year or two, goldfish are actually very large fish that can live for decades if properly cared for. However, they are often culled as they do not conform to the telescope eye feature for the Moor variety.For simplicity’s sake, Goldfish may be divided into the ‘standard’ and ‘fancy’ varieties, with both potentially reaching 20-30 cm in length (8-12”) and living up to 20 years if properly cared for.Īlthough they are one of the most popular fish in the aquarist’s trade, goldfish are sadly often mistreated by those that simply don’t understand the aquarist hobby. In fact, black telescope do sometimes throw normal-eye offsprings, and they are black also. However, with the recent entry of black lionheads, black orandas, black pearlscales and black hibunas, this view is no longer true. It was once theorised that blackness in goldfish are only exhibited by the telescope-eyed goldfish and that the black color is only a permanent fixture with telescope eye goldfish. Black-and-white moors are known as panda telescopes. They do well with other fancy goldfish varieties.īlack telescope are telescope goldfish, and can appear in red, red-and-white, calico, black-and-white, chocolate, brown, blue, bronze, lavender and chocolate-and-blue, tricolored, and black coloration. Black moors in particular are able to withstand a wide variety of temperatures. Because their eyes are usually large, their vision is poor.īlack telescope goldfish are popular because they are hardy fish and because their black color sets them apart from the more common gold color. The fish can range in coloring anywhere from a lighter grey to a dark black, but most black telescope goldfish don't stay pure black forever and many of them change colors from a rust color underbelly to orange splotches. They can grow up to a length of 6 inches, but may lose their velvet-like appearance with increasing age (life span: 6 to 25 years).
Their black coloration and eye protrusion develop with age. Young black telescopes resemble bronze fantails. Most poke telescopes have deep bodies and long, flowing finnage, with characteristic protruding eyes but the original is fantailed and similar body to it which they are derived from fantail goldfish.
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