How to Winterize a Koi Pond: A Complete Cold-Weather Survival Guide

Winter isn’t the season that “kills fish.” Winter is the season that exposes everything that got ignored during the busy months: soft sludge on the bottom, clogged intakes, leaves tu …

A healthy pond is vital for the long-term health and success of your koi. Whether you're creating a new koi pond or caring for an existing water garden, selecting the right pond filter is one of the m …

Picking out a young koi isn’t just about spotting the flashiest fish in the tank. It’s about laying the groundwork for a thriving, balanced pond. Whether you’re new to koi or adding …

The Fitz’s Fish Ponds’ Fish Health Team experienced a change of pace from October 12-16, swimming over the GW Bridge to attend the 2025 American Association of Fish Veterinarians (AAFV) an …

Fitz’s Fish Ponds has always been a leader in bringing new ideas, products, and experiences to hobbyists across the country, and now, we’re taking that innovation to the digital stage. Liv …

Fitz’s Fish Ponds celebrates a milestone on Nagaoka’s biggest Nishikigoi stage. On October 26, 2025, an 88cm Kohaku exhibited by one of our customers was named Grand Champion at the 72nd N …

Concerns arise when koi unexpectedly jump out of the pond. Although uncommon, koi jumping can be a sign of a problem in the pond. Owning a pond raises specific questions. One of the most common concer …

Identifying the gender of koi fish might not be the top priority for pond owners. However, as koi mature and show different behaviors, understanding their gender becomes essential for their care and t …

Creating and building a koi pond involves much more than just the fish. While they are the primary focus, you’ll want to create an environment that is enjoyable for the fish and peaceful for you …

The world’s largest aquascaping contest—the International Aquatic Plants Layout Contest (IAPLC)—has announced its results. Among the thousands of entries, one name from the U.S. has …