Man swimming in a pool altered into a fish pond for koi carp, Lupsingen, Switzerland Stock Photo - Alamy

Koi fish swim in a man made pond Stock Photo - Alamy

Carpar Stock Photos - Free & Royalty-Free Stock Photos from Dreamstime

Fish Swimming Pond Close Stock Photos - 10,820 Images

30,476 Pond Underwater Stock Photos - Free & Royalty-Free Stock Photos from Dreamstime

Japanese man feeding koi carp hi-res stock photography and images - Alamy

Japanese man feeding koi carp hi-res stock photography and images - Alamy

480 Carp Pond Japanese Garden Stock Photos, High-Res Pictures, and Images - Getty Images

Man feeding Japanese Koi fish in the pond Stock Photo - Alamy

Swarm Of Two-colored Carp Swimming In A Japanese Pond by Stocksy Contributor Manuel Chillagano - Stocksy

2,000 Fish Pond Top View Stock Photos, High-Res Pictures, and Images - Getty Images

Koi pond pool hi-res stock photography and images - Alamy