what is life span of fish
Answers
Answer:
fish life span is likely to be 3 to 5 yrs
Answer:
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Explanation:
Few reference books include answers to one of the most common questions asked by fish owners. How long should my fish live? The answer varies greatly depending on the species of fish. However, in general, smaller fish have a shorter lifespan than larger fish, and fish that lay eggs live longer than those that give birth to live young.
The two most popular species of fish—bettas and goldfish—are at opposite ends of the spectrum. Bettas on average live little more than two years, while goldfish may live for decades.
Keep in mind that with good care, aquarium fish can live much longer; on the other hand, fish that are not kept in the proper habitat and are not cared for properly will likely have a shorter lifespan.
Short Lifespans
Killifish are among the aquarium fish with the shortest lifespan. They generally only live for a bit more than two years. Bettas are not far behind. There have been documented cases of bettas living five years or more, but that is not the norm. Livebearing fish such as mollies, platys, and swordtails generally live less than five years.
Long Lifespans
Goldfish are on the other end of the lifespan spectrum. There are many documented cases of goldfish living a quarter of a century. They are perhaps the best example of how poor habitat and care shortens the lifespan of aquarium fish. The majority of goldfish are not properly cared for and as a result, live only a few years. Other fish that live longer include loaches, such as the clown loach and weather loach, which often live 10 to 15 years. Silver dollars and pacus also live 10 years or more, and the ever-popular convict cichlid can live for more than 10 years as well.
The lifespans of common aquarium fish species span a broad gamut, as you can see. Here are typical lifespans of some well-known fish species, from the Adolfo cory to the zebra danio.