Giovanni Carlo

Quick Answer The two most common koi anesthetics are MS-222 (tricaine) at 50-100 mg/L for anesthesia, and clove oil (eugenol) at 25-50 mg/L. MS-222 must be buffered with sodium bicarbonate — used unbuffered, it acidifies the water and can damage a koi’s skin and eyes. For minor handling, gently spinning the fish in a bowl

Quick Answer The most celebrated koi varieties span the classic Gosanke trio (Kohaku, Sanke, Showa), striking black-based Utsurimono (Hi Utsuri, Ki Utsuri), the metallic Ogon and Kujaku, and rarer types like Tancho and Shusui — each judged on a different combination of color depth, pattern balance, and body shape. Koi fish are among the most

Quick Answer There’s no single objective “best” koi farm in Japan — different farms lead in different varieties. Sakai Fish Farm dominates Kohaku competition awards and bred 5 of the last 10 All Japan Koi Show Grand Champions; Dainichi is the name most associated with Showa and the broader Gosanke bloodlines; Omosako leads in Shiro

Quick Answer Potassium permanganate for koi is dosed one of two ways: a prolonged bath at 2-3 mg/L (ppm) for 4-6 hours, or a short dip at 10-20 mg/L for up to 30 minutes. The two concentrations aren’t interchangeable — never combine a high-concentration dip’s dosage with a prolonged bath’s duration. Always weigh crystals precisely,