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About the Silver Perch

The Silver Perch is one of Australia's most iconic native freshwater fish, valued for its peaceful temperament, rapid growth, and hardy nature. Native to the Murray-Darling River system, this attractive species features a streamlined silver body with subtle bronze and olive tones that become more pronounced as the fish matures.

Silver Perch are highly adaptable and thrive in ponds, aquaculture systems, and large freshwater aquariums with excellent filtration and plenty of swimming space. They are naturally inquisitive and quickly become confident around their owners, often recognising feeding times and readily accepting prepared foods.

As omnivores, Silver Perch enjoy a varied diet including quality native fish pellets, vegetables, aquatic plants, insects, worms, and frozen foods. Their peaceful disposition allows them to coexist with other suitably sized Australian native fish, making them a popular choice for native display aquariums and outdoor ponds.

Due to their potential adult size, Silver Perch are best suited to spacious aquariums or ponds where they have ample room to grow and thrive.

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Quick Care Guide

Scientific Name

Bidyanus bidyanus

Common Name

Silver Perch

Origin

Murray-Darling River Basin, Australia

Adult Size

30–45 cm in aquariums (up to 60 cm in ponds)

Temperament

Peaceful

Diet

Omnivore

Minimum Tank Size

500 Litres (juveniles); ponds recommended for adults

Temperature

18–28°C

pH

6.5–8.0

Water Hardness

5–20 dGH

Difficulty

Beginner

Lifespan

10–20 Years

Suitable For

Large native aquariums, ponds, and aquaculture systems

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Frequently Asked Questions

Are Silver Perch good for beginners?

Yes. They are hardy, adaptable, and easy to care for, provided they are given enough space as they grow.

How large do Silver Perch grow?

Silver Perch commonly reach 30–45 cm in home aquariums and can exceed 60 cm in large ponds or natural waterways.

What do Silver Perch eat?

They are omnivores and readily accept quality native fish pellets, vegetables, aquatic insects, worms, crustaceans, and frozen foods.

Can Silver Perch live with other fish?

Yes. They are generally peaceful and do well with other Australian native species of a similar size. Avoid housing them with very small fish that may be viewed as food.

Can Silver Perch be kept in a pond?

Absolutely. They are an excellent pond species and thrive in outdoor environments with good water quality and adequate space.

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Common Mistakes

Keeping them in aquariums that are too small

Silver Perch grow quickly and require large aquariums or ponds to remain healthy.

Underestimating their adult size

Always plan for their long-term housing before purchasing juvenile fish.

Poor filtration

Large native fish produce significant waste and require efficient biological filtration.

Feeding an unbalanced diet

Provide a varied diet to ensure healthy growth and long-term wellbeing.

Overstocking

Allow plenty of swimming space and avoid overcrowding to maintain excellent water quality.