The golden pond darter that lights up the surface of a coldwater pool.
Golden Rudd (a color form of Scardinius erythrophthalmus) are 12-16 inches (30-40 cm), with a warm golden sheen and red-tinged fins, and they feed actively at the surface. They are hardy coldwater pond fish that add color and movement.
They are social, fast, and need space and good oxygenation. They mix with other robust coldwater pond fish but can outcompete slow feeders, so ensure everyone gets food.
Golden Rudd live 10 or more years in good pond conditions. Cool, oxygen-rich, stable water supports that span.
What do Golden Rudd eat?
They are omnivores taking pond pellets, flakes and live/frozen foods, feeding mostly at the surface. Overfeeding is the main mistake; feed what is finished in a few minutes.
Tank size and pond parameters
A large pond (hundreds of gallons, 1 m+ depth) suits a group. Target 50-75°F (10-24°C), pH 7.0-8.0, well-oxygenated, ammonia/nitrite zero, nitrate low. Keep in groups of 3+; provide aeration.
Common mistakes with Golden Rudd
Key errors: small tanks (they need pond space); warm stagnant water with low oxygen; keeping one (they school); and overfeeding.
Beginner mistakes to avoid
Small tank — they need pond-scale space and depth.
Warm stagnant water — keep it cool and well-aerated.
Keeping one — they are social; keep 3+.
Overfeeding — feed only what is eaten.
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