Common goldfish or hibuna [1] are a type of goldfish
with no other modifications from their ancestors other than their
colour. Most varieties of fancy goldfish were derived from this simple
breed. Common goldfish come in a variety of colours including red,
orange/gold, white, black Common goldfish are social animals who prefer living in groups. They are
able to interact with any fish belonging to the same species. With
provision of adequate care and attention, common goldfish can become
tame. Once familiar with the face of its owner, swimming towards the
fish keeper during feeding time can be observed and hand-feeding becomes
possible. Small goldfish will normally avoid any form of human contact.
However, this fear ceases in a middle-sized and mature goldfish. A
full-grown goldfish is more likely to eat directly from the hands of its
owner without evident hesitation. While this behavior is welcomed by
goldfish owners, it proved problematic in outdoor ponds where predators
may eat such friendly prey. Mature goldfish will also explore their
surroundings through nibbling or grazing behavior.
Selective breeding has occurred in many colours for the species. A few
of the popular domestic goldfish available nowadays are Black moor,
panda moor, bubble attention, cornet, fantail and lionhead. Also
ryukin, telescope attention, ranchu, veiltail, oranda pearlscale,
pompom, celestial attention and butterfly tail. A single goldfish has
been recorded calculating as much as nineteen inches in size that is the
most until date. These fish are primarily pool fish. As long as their
stays enough oxygen in the pool and the water doesnt freeze they do not
face any problem. They are colourful, inexpensive and hardy by nature.
Throughout cold temperatures they stop consuming and set in the bottom
of the pond. One important things for his or her success is to help
keep the pool clean while they create a large amount of spend inside
their faeces and through their gills. Additionally they create a big
volume of compound spend which when perhaps not blocked becomes
critical with their survival. Crops are the best tool for filtering
that spend while they generate enough oxygen for his or her survival.
Black Moors (Carassius auratus) have deep bodies and long, flowing finnage, along with characteristic protruding eyes.[3] They are veiltailed and possess metallic scales with a velvet-like appearance.[4]
Young Moors resemble bronze fantails. Their black coloration and eye protrusion develop with age .[4] They can grow up to a length of 10 inches, but may not lose their velvet-like appearance with increasing age (life span: 6 to 25 years). Black demekins may also revert to metallic orange when exposed to warm water temperature.[3][4] The fish can range in coloring anywhere from a lighter grey to a dark black, but most Black Moor goldfish don't stay pure black forever and many of them change colors from a rust color underbelly to orange splotches. Because their eyes are
Indeed not. On his hook was a 15-inch-long (38-centimeter-long) goldfish
that tipped the scales at 3 pounds (1.4 kilograms). Compare that to an
average aquarium goldfish that generally measures just a few
inches—their breeds come in a wide variety of sizes—and it doesn’t take
long to figure out that this whopper of a fish is going to need a bigger
bowl. (See a picture of a see-through 
