Goldfish – Comet Goldfish 5-7cm

Comet Goldfish (Carassius auratus)

The Comet Goldfish is a hardy and elegant freshwater species loved for its long, flowing tail and vibrant coloration. Originating from selective breeding, this variety of goldfish is a classic choice for aquarists and pond enthusiasts alike due to its beauty and adaptability.

Appearance

Comet Goldfish are characterized by their elongated, slender bodies and long, forked tails that trail gracefully as they swim. They come in a variety of colors, including orange, white, red, and combinations of these hues. Some even exhibit metallic or matte finishes, adding to their visual appeal. Growing up to 25–30 cm in optimal conditions, they are larger than typical goldfish and require ample swimming space.

Aquarium and Pond Care

Comet Goldfish thrive in spacious environments with plenty of swimming room. A tank of at least 100 liters is recommended for one fish, with an additional 40 liters for each additional fish. They also do well in outdoor ponds. Maintain water temperatures between 18°C and 24°C and a neutral pH of 7.0 to 8.0. Regular water changes and a strong filtration system are essential to handle their high waste production.

Tank Mates

These goldfish are peaceful and can live with other non-aggressive coldwater fish such as Shubunkins, Fantails, or White Cloud Mountain Minnows. Avoid pairing them with tropical or aggressive species to ensure a harmonious environment.

Feeding & Nutrition

Comet Goldfish are omnivores and enjoy a varied diet. Offer high-quality goldfish flakes or pellets as a staple, supplemented with occasional treats like blanched vegetables (spinach, peas) or live/frozen foods like bloodworms or daphnia. Feeding small portions 2–3 times daily helps maintain their health and water quality.

Lifespan

With proper care, Comet Goldfish can live for 10–15 years, and in ideal pond conditions, some have been known to live over 20 years.

FAQs

What tank size is best for Comet Goldfish?
A minimum of 100 liters is recommended for one fish, with extra space for additional goldfish.

Can Comet Goldfish live in outdoor ponds?
Yes, they are excellent pond fish and can thrive in well-maintained outdoor settings.

How often should they be fed?
Feed them 2–3 times daily with a balanced diet to support growth and vitality.

Are Comet Goldfish suitable for beginners?
Yes, their hardiness and adaptability make them a great choice for novice aquarists.

What water conditions do Comet Goldfish prefer?
They thrive in neutral to slightly alkaline water with temperatures between 18°C and 24°C.

Species Overview

• Species: Carassius auratus
• Common Name: Comet Goldfish
• Origin: Selectively bred from East Asian wild carp
• Diet: Omnivore
• PH Range: 7.0 – 8.0
• Temperature: 18°C – 24°C
• Max Size: Approximately 25–30 cm
• Sex: Sold un-sexed