Oranda Assorted Goldfish 5cm – Carassius auratus

Assorted Oranda Goldfish 5cm (Carassius auratus) are beautiful fancy goldfish known for their rounded bodies, flowing double tails and distinctive head growth, commonly called a wen. Available in assorted colours and patterns, these charming fish make a wonderful addition to a well-maintained fancy goldfish aquarium.

Our Oranda Goldfish are supplied at approximately 5cm and may include red, orange, white, black, calico or multicoloured varieties, depending on availability.

Orandas are generally peaceful fish with gentle swimming behaviour. As they mature, their fins become more developed and the characteristic head growth may become increasingly noticeable.

Please note: This is an assorted colour selection. The colour and pattern of the fish supplied will vary. Product images are representative only.

Why Choose Assorted Oranda Goldfish?

• Beautiful assorted colours: A variety of red, orange, white, black and mixed patterns.
• Distinctive head growth: Mature Orandas develop a fleshy head covering known as a wen.
• Elegant flowing fins: Their double tails create graceful swimming movements.
• Peaceful temperament: Well suited to compatible fancy goldfish aquariums.
• Interesting personalities: Curious fish that often become familiar with feeding routines.
• Long-term aquarium companions: Can live for many years with suitable care.

Oranda Goldfish Fish Profile

• Scientific name: Carassius auratus
• Common name: Oranda Goldfish, Assorted Oranda
• Family: Cyprinidae
• Origin: Domesticated fancy goldfish variety developed in Asia
• Sale size: Approximately 5cm
• Adult size: Commonly 15–20cm, potentially larger
• Lifespan: Often 10–15 years or longer with suitable care
• Temperament: Peaceful
• Care level: Easy to moderate
• Recommended aquarium: At least 75–100 litres for one adult, with additional space for each extra goldfish
• Temperature: 18–24°C preferred
• pH: 7.0–8.0 preferred
• General hardness: Approximately 5–20 dGH
• Diet: Omnivorous
• Swimming level: All levels, commonly middle and lower areas
• Suitable aquarium: Established, well-filtered fancy goldfish aquarium
• Colour: Assorted; individual selection not guaranteed

What Makes Oranda Goldfish Special?

The Oranda's most recognisable feature is the fleshy growth around its head, known as a wen. This characteristic becomes more pronounced as the fish matures.

At approximately 5cm, young Orandas may have little or no visible head growth. This is normal and does not necessarily mean the fish is incorrectly identified.

Many Orandas begin developing more noticeable head growth as they approach 7–9cm, although the rate and extent of development vary between individuals.

Their rounded bodies, decorative fins and attractive colours make them a popular choice for dedicated fancy goldfish aquariums.

What Colours Are Available?

Our Assorted Oranda Goldfish may include a variety of colours and patterns depending on the fish available at the time of your order.

Possible colours include:

• Red and orange
• Red and white
• White and orange
• Black
• Calico and multicoloured patterns

As young goldfish grow, their colouration may change. Some fish become brighter, while others develop different patterns or lose darker juvenile markings.

Important: This product is for an assorted Oranda Goldfish, not a guaranteed colour or premium named variety.

Ideal Aquarium Setup for Oranda Goldfish

Oranda Goldfish are best maintained in spacious aquariums with good filtration, clean water and gentle swimming areas.

A suitable aquarium should include:

• Generous swimming space: Allow for the fish's adult size rather than its 5cm sale size.
• Strong biological filtration: Goldfish produce considerable waste and need reliable filtration.
• Good oxygenation: Maintain effective water circulation and surface agitation.
• Smooth decorations: Avoid sharp ornaments that may damage delicate fins or head growth.
• Suitable substrate: Use smooth, appropriately sized substrate or a carefully maintained bare-bottom aquarium.
• Hardy aquarium plants: Anubias and Java Fern may be suitable, although goldfish can nibble or disturb plants.
• Open swimming areas: Avoid overcrowding the aquarium with decorations.

Traditional fish bowls are not suitable long-term homes for Oranda Goldfish.

Explore our aquascaping supplies for suitable aquarium materials and decorations.

Oranda Goldfish Water Parameters

Orandas are temperate freshwater fish that prefer clean, stable water with good oxygen levels.

• Preferred temperature: 18–24°C
• Preferred pH: 7.0–8.0
• Broader reported pH tolerance: Approximately 6.5–8.5
• General hardness: Approximately 5–20 dGH
• Ammonia: 0ppm
• Nitrite: 0ppm
• Nitrate: Keep low with regular water changes and effective filtration

Stable water conditions are more important than making sudden chemical adjustments to achieve an exact pH.

During hot Australian weather, monitor aquarium temperatures carefully. Warm water contains less dissolved oxygen, so good aeration and temperature management are important.

What Do Oranda Goldfish Eat?

Oranda Goldfish are omnivores and benefit from a balanced diet formulated specifically for fancy goldfish.

Suitable foods include:

• Quality sinking goldfish pellets: An excellent staple diet for fancy goldfish.
• Goldfish flakes: Suitable when fed carefully and in appropriate portions.
• Vegetable-based foods: Such as suitable spirulina-containing goldfish foods.
• Blanched vegetables: Small portions of appropriate vegetables can provide dietary variety.
• Frozen foods: Occasional brine shrimp or Daphnia as part of a balanced feeding routine.

Feed small portions once or twice daily, adjusting to water temperature, appetite and fish size.

Sinking pellets are often a practical choice for fancy goldfish because they allow the fish to feed below the surface. Avoid overfeeding, which can cause water-quality problems.

Explore our fish food range for suitable goldfish foods.

Suitable Tank Mates for Oranda Goldfish

Orandas are peaceful fish and generally do best with other fancy goldfish of similar size and swimming ability.

Suitable companions may include:

• Other Oranda Goldfish: A good match when the aquarium is appropriately sized.
• Fantail Goldfish: Generally compatible when similar in size.
• Ryukin Goldfish: May be compatible if individuals have similar feeding and swimming abilities.
• Selected other fancy goldfish: Provided the fish can compete fairly for food and do not damage one another.

Avoid housing Orandas with fast-moving Comets or Common Goldfish where competition for food could disadvantage the slower fancy varieties.

Tropical fish requiring permanently warm water and aggressive or fin-nipping species are also unsuitable.

How Big Do Oranda Goldfish Grow?

Although sold at approximately 5cm, Oranda Goldfish commonly grow to around 15–20cm and may become larger with appropriate long-term care.

As they mature, their bodies become deeper, their fins develop and their head growth may become more pronounced.

A spacious aquarium is essential. As a practical starting point, allow approximately 75–100 litres for one adult fancy goldfish and additional volume for each extra fish.

Provide more space whenever possible, especially for larger adults. Aquarium length, filtration capacity and maintenance are just as important as the total water volume.

Looking After Your Oranda's Head Growth

The Oranda's wen is a normal feature of the variety, but it requires careful observation as the fish grows.

Keep decorations smooth and maintain clean water to reduce the risk of injury or infection.

If head growth begins obstructing the eyes, mouth or gill movement, seek advice from a suitably experienced aquatic veterinarian.

Do not attempt to trim or treat head growth at home without professional guidance.

Important Information About Assorted Orandas

This listing is for one Assorted Oranda Goldfish measuring approximately 5cm.

Colours, markings, fin development and head growth vary naturally between individuals.

Young Orandas may not yet display the prominent wen seen in photographs of mature fish.

Photographs are examples of the variety. Exact colour, markings and adult appearance cannot be guaranteed.

Frequently Asked Questions

How big do Oranda Goldfish grow?

Oranda Goldfish commonly grow to 15–20cm, sometimes larger. Fish supplied at 5cm are juveniles and need room to grow.

What pH do Oranda Goldfish need?

A pH of approximately 7.0–8.0 is a practical target. Fancy goldfish can tolerate a broader range, but stable water quality is important.

When will my Oranda develop its head growth?

Young Orandas may have little visible head growth. The wen often becomes more noticeable as the fish approaches 7–9cm, although development varies.

Are Oranda Goldfish peaceful?

Yes. They are generally peaceful and do best with similarly sized fancy goldfish that have compatible swimming and feeding abilities.

Can Oranda Goldfish live in a fish bowl?

No. Orandas require a spacious, filtered aquarium with stable water conditions and sufficient room to reach their adult size.

Do Oranda Goldfish need a heater?

They usually do not need a heater in a suitable temperature-stable environment. Maintain approximately 18–24°C and avoid sudden changes or overheating.

What should I feed Oranda Goldfish?

A quality fancy goldfish diet, preferably including suitable sinking pellets, with occasional vegetable and frozen food supplements.

Can I choose the colour of my Assorted Oranda?

No. This is an assorted colour listing. Colours, markings and patterns depend on current stock availability.

Can Oranda Goldfish live with Comets?

They are generally better kept separately because fast-swimming Comets may outcompete slower Orandas for food.