What is the average lifespan of koi fish in a well-maintained, filtered pond? | Less than 5 years | 28% | 10-15 years | 14% | 20-25 years | 14% | 25+ years | 42% | | | Question: What is the average lifespan of koi fish in a well-maintained, filtered pond? Top Answer (42% of 7 votes): 25+ years.
Answer: 25+ years Explanation: It all depends on if they can get past the raccoons, herons, and other critters looking for a nice sushi dinner. ...Only the strong survive! ....sometimes past the age of 25. | Timeless Ponds & Fountains | Answer: 25+ years Explanation: never had any but I know they can live u to 200 years | La Rose Home Repair | Answer: 25+ years Explanation: Koi typically live 25 to 35 years in a well maintained fish pond. | RYCO LAND & SNOW |
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