Scientific Classification :

Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Genus: Carassius
Class: Actinopterygii
Order: Cypriniformes
Family: Cyprinidae
Species: C. auratus

Binomial Name :

Carassius auratus


Goldfish, scientifically known as Carassius auratus,, are one of the most recognizable and beloved freshwater aquarium fish species worldwide. Goldfish have a distinctive appearance characterized by their elongated bodies, rounded fins, and prominent eyes. Their most iconic feature is their metallic, gold or orange coloration, although they can also be found in various other colors, including red, white, black, blue, and combinations thereof. Some goldfish varieties have features such as double tails, telescopic eyes (bubble eyes), or fancy fin configurations like the fantail or veil tail.


The origin of the goldfish (Carassius auratus) can be traced back to ancient China, where they were first selectively bred from wild carp species. While the exact date of their domestication is uncertain, historical records suggest that goldfish were cultivated for ornamental purposes as far back as the Tang dynasty (618-907 AD) in China.
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History: Where do goldfish come from?

The history of the goldfish (Carassius auratus) dates back over a thousand years to ancient China, where they were selectively bred from wild carp species for ornamental purposes during the Tang dynasty (618-907 AD). Originally cultivated for their striking colors and patterns, goldfish became symbols of wealth, prosperity, and good fortune in Chinese culture. Over centuries of selective breeding, goldfish evolved into a diverse array of forms, including various colorations, fin shapes, and body types. By the 16th century, goldfish had spread to Japan and later to Europe, where they gained popularity among nobility and aristocracy as prized ornamental fish for ponds and indoor aquariums. Today, goldfish remain one of the most beloved and recognizable freshwater aquarium fish species worldwide, with their rich history deeply rooted in ancient Chinese culture and their enduring appeal enduring through centuries of selective breeding and domestication.
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Best environment for goldfish

  • Goldfish require ample swimming space due to their active nature and relatively large size. A general rule of thumb is to provide at least 20 gallons (75 liters) of water per goldfish, with additional space for each additional fish.
  • Goldfish produce a significant amount of waste, so a robust filtration system is essential to maintain water quality. Aim for a filtration system that can handle a tank volume at least 2-3 times per hour.
  • Adequate oxygenation is crucial for goldfish, especially in tanks with higher stocking densities.
  • Goldfish are coldwater fish and prefer cooler temperatures ranging from 65°F to 75°F (18°C to 24°C).
  • Maintain stable water parameters within the following ranges: pH: 6.5-7.5, Ammonia/Nitrite: 0 ppm, Nitrate: <40 ppm.
  • Goldfish are notorious for rooting around in substrate, so choose smooth, large-grained substrates such as gravel.

Worst environment for goldfish

  • The worst environment for goldfish Keeping goldfish in small tanks or bowls restricts their movement and leads to poor water conditions, which can result in stunted growth, stress, and increased susceptibility to diseases.
  • Goldfish are sensitive to ammonia and nitrite buildup in the water, which can be toxic to their health.
  • Avoid exposing them to temperatures above 75°F (24°C), as warmer water can increase their metabolism and oxygen demand, leading to stress and health issues.
  • Goldfish are social but can become stressed and aggressive in overcrowded conditions. Overcrowding leads to increased competition for resources.
  • High levels of ammonia, nitrites, and nitrates can cause stress, respiratory problems, and damage to the fish’s delicate gills.It’s crucial to perform routine water changes and monitor water parameters regularly to ensure a  healthy environment for goldfish.


In conclusion, goldfish are fascinating and beautiful fish with a rich history of domestication and selective breeding. Their striking appearance, peaceful demeanor, and relatively low maintenance requirements make them popular choices for beginner and experienced aquarists alike. With proper care and attention to their habitat, diet, and social dynamics, goldfish can provide years of enjoyment and serve as captivating additions to freshwater aquariums.

Average Price Of Goldfish

Small Goldfish₹ 50 pair
Medium Goldfish₹ 90 pair
Big Goldfish₹ 250 pair
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