KOI ASSORTED (Cyprinus carpio) 5–5.75″

Beautiful Ornamental Koi for Canadian Ponds and Large Aquariums

The Assorted Koi (Cyprinus carpio) is one of the world’s most admired ornamental fish, prized for its elegant swimming, impressive size, and stunning variety of colours and patterns. Available in an assortment of premium colour varieties, these juvenile koi measuring 5–5.75 inches are an excellent choice for hobbyists looking to build or expand a beautiful pond collection.

Originally bred in Japan from the common carp, koi have become symbols of prosperity, perseverance, and good fortune. Their peaceful temperament, intelligence, and ability to recognize their keepers make them one of the most rewarding fish to own. With proper care, koi can live for decades and become magnificent centrepieces in outdoor ponds.

Monster Aquarium Canada proudly offers healthy Assorted Koi with professional live fish shipping throughout Canada.

Why Choose Assorted Koi?

Vibrant Colours and Unique Patterns

Every koi is unique, featuring beautiful combinations of colours such as:

• White
• Red
• Orange
• Yellow
• Black
• Blue
• Metallic finishes
• Multi-coloured patterns

Each fish is individually unique, making every purchase a pleasant surprise.

Hardy and Long-Lived

Koi are well known for their hardiness, adaptability, and exceptional lifespan when maintained in properly filtered ponds.

Care Requirements

Pond or Aquarium Size

Juvenile koi can initially be housed in large aquariums, but they require large outdoor ponds as they mature.

Recommended minimum:

• 150 gallons for temporary indoor housing
• 1,000+ gallon pond for long-term care
• Larger ponds are recommended for multiple koi

Water Parameters

• Scientific Name: Cyprinus carpio
• Common Name: Assorted Koi
• Available Size: 5–5.75 inches
• Adult Size: 24–36 inches
• Temperature: 15–28°C (59–82°F)
• pH: 7.0–8.5
• Water Hardness: Moderate
• Care Level: Beginner to Intermediate
• Temperament: Peaceful
• Diet: Omnivore
• Origin: Selectively bred from Japanese koi bloodlines
• Lifespan: 20–40+ years with proper care

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Feeding

Assorted Koi are omnivores and thrive on a varied, high-quality diet.

Recommended foods include:

Daily Diet

• Premium koi pellets
• Wheat germ food (cooler temperatures)
• Floating pond pellets

Supplemental Foods

• Earthworms
• Shrimp
• Mealworms
• Silkworm pupae
• Peas
• Spinach
• Lettuce
• Watermelon
• Orange slices (occasionally)

Feed according to water temperature and seasonal activity levels.

Pond Setup

An ideal koi pond should include:

Recommended Features

• Powerful biological filtration
• Strong aeration
• Stable water quality
• UV clarification (recommended)
• Deep swimming areas
• Open swimming space
• Shade and protection from predators

Good filtration and regular maintenance are essential as koi produce significant biological waste.

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Compatible Tank Mates

Assorted Koi are peaceful and do well with:

• Other Koi
• Goldfish
• Golden Orfe
• Grass Carp (where permitted)
• Weather Loaches
• Large peaceful pond fish

Avoid aggressive species that may nip fins or compete excessively during feeding.

Why Buy Assorted Koi from Monster Aquarium Canada?

Healthy Premium Koi

Every koi is carefully selected for health, active swimming, and overall quality before shipping.

Professional Live Fish Shipping Across Canada

Monster Aquarium Canada specializes in safely shipping live pond fish and aquarium livestock across Canada using secure, insulated packaging.

Trusted Canadian Aquarium & Pond Supplier

We proudly provide premium koi, pond fish, tropical fish, aquarium supplies, medications, and fish foods to hobbyists across Canada.

Frequently Asked Questions

1. How large will these koi grow?

With proper care, koi can reach 24–36 inches and continue growing for many years.

2. Can koi live indoors?

Juveniles can be kept temporarily in very large aquariums, but adult koi require spacious outdoor ponds for long-term health.

3. Are assorted koi peaceful?

Yes. Koi are gentle, social fish that thrive in groups and coexist well with other peaceful pond species.

4. What do koi eat?

They enjoy premium koi pellets, wheat germ food, insects, shrimp, vegetables, and other nutritious pond foods.

5. Does Monster Aquarium Canada ship live koi across Canada?

Yes. Monster Aquarium Canada offers professional live fish shipping across Canada with secure packaging designed to help ensure your koi arrive healthy and ready for acclimation.