Goldfish ( Carassius auratus ) are among the world's most popular pet fish. Many people keep them in small bowls or aquariums, believing they have short lifespans. However, with proper care, goldfish can live much longer than most people expect. Some goldfish even live for decades!
So, how long do goldfish live? What factors affect their lifespan? What can you do to ensure your goldfish live a long and healthy life? In this article, we'll explore these questions and provide valuable insights into goldfish lifespan.
1. Average lifespan of goldfish
A goldfish's lifespan depends on its breed, environment, and care . The following are general classifications:
1.1 Lifespan under different conditions
✅Goldfish in a small aquarium : 1-3 years (due to poor water quality and limited space)
✅Goldfish in aquariums : 5-10 years (with proper care)
✅ Goldfish in outdoor ponds : 10-20 years (under optimal conditions)
✅ Record-breaking goldfish : 40+ years old (with special care)
1.2 Different types of goldfish and their lifespans
Different breeds of goldfish have different lifespans:
| Goldfish varieties | Average lifespan |
|---|---|
| ordinary goldfish | 15-20 years |
| Comet Goldfish | 10-15 years |
| Fantail Goldfish | 10-12 years |
| Red Hat Goldfish | 10-15 years |
| Red Hat Goldfish | 10-15 years |
| Ryukin Goldfish | 10-15 years |
| Black Moor Goldfish | 10-15 years |
| Ranchu goldfish | 8-12 years |
