南京

Izumo Nankin Care Guide | Japan's National Treasure Goldfish from Shimane Prefecture

Explore the characteristics, history, and care methods of the Izumo Nankin, Shimane Prefecture's traditional goldfish designated as Japan's natural monument. Discover its distinctive compact body shape and beautiful four-lobed tail, how to select traditional vessels and tanks suited for top-view appreciation, feeding, water temperature, and water quality management tips, plus how to source from breeders.

Goldfish Show Judging Criteria and Guide to Raising Award-Winning Specimens | Evaluation Points for Body Shape, Markings, and Swimming

Explanation of judging criteria evaluated at goldfish shows. We introduce evaluation points for body shape, markings, swimming behavior, and coloration, as well as practical methods for daily management and selective breeding to raise specimens appreciated by judges.

A Guide to Visiting Goldfish Exhibition Shows | Spectating Etiquette, Highlights, and National Event Information for First-time Visitors

A guide to enjoying goldfish exhibition shows as an audience member. Explains judging criteria, major national competitions, and spectating etiquette for first-time visitors.

Complete Guide to Smart Devices & IoT for Goldfish Tanks | How to Streamline Management with Automation

Learn how to streamline goldfish tank management using smart devices and IoT equipment. We introduce how to choose and install water temperature sensors, automatic feeders, smart plugs, and cameras.