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105 results for “fish husbandry”
Why Is My Goldfish Lying on the Bottom of the Tank in Winter?
A goldfish resting on the tank bottom in winter is usually caused by low water temperature, poor water quality, or illness. Cold water slows the fish's metabolism so it conserves energy at the bottom—raise the temperature to 18–25°C with a heater. Dirty water should be refreshed and kept at pH 6.5–7.5, while disease (enteritis, temperature shock, bacterial infection) needs prompt isolation and a 1% salt bath. Regular water changes and added aeration further prevent the problem.
Why Isn’t My Goldfish Growing?
A goldfish that stays small is usually a sign of husbandry problems rather than bad genes. The environment is the single biggest factor—a tank that is too small or water that is dirty, the wrong temperature, or low in oxygen slows metabolism and stalls growth. Diet matters just as much: too many carbohydrates and too little protein or vitamins restricts development. Feeding style, water testing, and waste removal also play a role. To help a goldfish reach its full size, give it a spacious, stable tank with filtration, keep water clean and well-oxygenated, and feed a high-quality food in small, frequent meals matched to its life stage.
Golden Arowana Care and Husbandry
The golden arowana is a large, striking ornamental fish that needs generous space—a pond or an aquarium over 120 cm long. It prefers soft, slightly acidic water and a steady 24–26°C (28–30°C for silver and black varieties), with new and old water kept within 2°C to avoid shock. Good filtration, an air pump for oxygen, and a covered tank prevent stress and disease. Aim for 3–4 hours of sunlight daily, or 5–7 hours of full-spectrum lighting, to support growth and color. Sound husbandry—clean water, stable temperature, sensible feeding—is the best defense against the common signs of illness: dull color, sluggish swimming, and drooping eyes.
What to Do When Your Goldfish Is Swimming Upside Down
A goldfish floating or swimming upside down is alarming but common, usually caused by poor water quality, overfeeding, low oxygen, cold or fluctuating temperatures, or swim bladder disease. Act quickly to add oxygen and prevent long-term damage from suffocation. Season, temperature, water quality, dissolved oxygen, pH, feeding, and water-change frequency all affect a goldfish's health, so careful husbandry matters. You can relieve mild cases by improving water quality, boosting aeration, and raising the temperature—but if the problem is severe or persists, consult a veterinarian or an aquatic specialist for proper treatment.
Sunburst Butterflyfish
The Sunburst Butterflyfish (Chaetodon kleinii) is pale tea-colored in front and dark yellow behind. Though not vivid at depth, it is liked by some aquarists and can mix with other butterflies, including its own kind, if added together.
Cinnabar-eye Big Butterfly-tail Goldfish
The Cinnabar-eye Big Butterfly-tail Goldfish is a goldfish variety with a pure white belly and only cinnabar-red eyes, very striking. Gentle, it is beloved by hobbyists.
White-face Butterflyfish
The White-face Butterflyfish (Chaetodon mesoleucos), also called the White-face Butterflyfish, has a white face with complex colors behind it, giving the name 'white-face butterflyfish'. Unfriendly to its own kind, it is not suited to gentle community fish.
Needlefish
The Needlefish (Xenentodon cancila) is native to southern Asia - India, Sri Lanka, Thailand, Malaysia - but is now endangered. Slender like a silver rod, its protruding beak-like jaws give the name 'needle fish'.
Platy (Moonfish)
The Platy (Moonfish, Xiphophorus maculatus) is a common tropical fish. Like the guppy it is small and comes in many colors, beloved by aquarists. With strong adaptation and breeding ability, it is easy to keep.
Ingot Red Goldfish
The Ingot Red Goldfish is a goldfish variety whose head red patch has a rear edge curving inward like an ancient ingot, a very unique form beloved by goldfish fans. Like goldfish it is gentle and can be kept with other gentle fish.