Spotted Danio (Danio nigrofasciatus) is a lively and attractive schooling fish known for its distinctive spotted pattern and energetic behaviour. A close relative of the Zebra Danio, this hardy species is ideal for community aquariums, offering constant movement and visual interest. Peaceful and easy to care for, Spotted Danios are an excellent choice for both beginner and experienced aquarists.

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Features of Spotted Danio

• Native habitat: clear streams and rivers of Southeast Asia
• Maximum size: approximately 5–6 cm in length
• Lifespan: 3–5 years with proper aquarium care
• Temperament: peaceful and social; best kept in groups
• Colouration: silver to grey body with dark spots and subtle striping
• Behaviour: active top- to mid-level swimmer; fast-moving and highly social

The Best Aquarium Size for Spotted Danio

A minimum aquarium size of 60 litres is recommended for a small school. Larger tanks provide additional swimming space and help disperse energy, resulting in calmer, more natural behaviour. Long aquariums with open areas are ideal.

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Tank Mate Compatibility for Spotted Danio

Spotted Danios are excellent community fish and coexist well with other peaceful species. Suitable tank mates include:

Honey gourmis
Other Danios
Ember Tetras
Rummy nose tetras
Swordtails
Kuhli Loach
Platys

Avoid slow-moving or long-finned fish that may be stressed by their constant activity.

Diet for Spotted Danio

An omnivorous species, Spotted Danios readily accept a wide range of foods. Feed high-quality tropical flakes or micro pellets as a staple, supplemented with frozen or live foods such as brine shrimp, daphnia, and bloodworms. Feed small amounts 1–2 times daily.

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Aquarium Setup for Spotted Danio

Aquarium Filtration
Moderate filtration with good water movement is recommended, as this species naturally inhabits flowing waters. Ensure strong biological filtration for stable water quality.

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Aquarium Plants
Live plants are beneficial and provide cover without restricting swimming space. Hardy plants such as java fern, anubias, and vallisneria are excellent choices.

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Aquarium Lighting
Moderate lighting supports plant growth and highlights the spotted pattern without causing stress.

Aquarium Heating
Maintain stable temperatures between 18–24°C. Spotted Danios tolerate cooler water but prefer consistency.

Aquarium Substrate
Fine gravel or sand is suitable and complements planted community aquariums.

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Aquarium Decorations
Decorate the aquarium edges with plants, smooth rocks, and driftwood while keeping open swimming areas in the centre. This layout supports natural schooling behaviour.

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The Spotted Danio is a hardy, fast-moving, and engaging fish that brings energy and character to peaceful freshwater community aquariums.

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Spotted Danio