Description
Hemigrammus ocellifer, commonly referred to as the Head and Tail Light Tetra, is a small, peaceful freshwater fish native to the Amazon and Orinoco river basins. Renowned for its reflective “headlight” and “taillight” markings, it is a popular species in community aquariums due to its hardiness, schooling behavior, and visual appeal. This species thrives in well-maintained aquariums with stable water parameters and appropriate companions.
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Features of a Hemigrammus ocellifer
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Grows up to 4.5 cm in length
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Distinct metallic gold spot near the eye and a red-orange mark at the tail base
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Silvery translucent body with slight green or gold hue
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Peaceful temperament, ideal for community tanks
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Schooling species; best kept in groups of 6 or more
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Lifespan typically ranges from 3 to 5 years in optimal conditions
The Best Aquarium Size for Hemigrammus ocellifer
A minimum aquarium size of 60 litres is recommended to house a small school of Hemigrammus ocellifer. This ensures sufficient swimming space and stable water parameters. Larger aquariums, 90 litres and above, are ideal for mixed-species communities.
Suitable aquariums to consider include:
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Tank Mate Compatibility for Hemigrammus ocellifer
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Neon Tetra
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Corydoras Catfish
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Harlequin Rasbora
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Dwarf Gourami
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Otocinclus Catfish
Diet for Hemigrammus ocellifer
Hemigrammus ocellifer is an omnivore with a preference for a varied diet. High-quality micro pellets or flakes form the nutritional base, supplemented with live or frozen foods such as daphnia, bloodworms, and brine shrimp. Occasional plant-based additions like blanched spinach or spirulina flakes help ensure nutritional balance.
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Aquarium Setup Hemigrammus ocellifer
Aquarium Filtration
Use a gentle yet efficient filtration system to maintain clean water without generating strong currents. A sponge filter or adjustable-flow internal filter is ideal.
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Aquarium Plants
Live plants such as Java fern, Amazon sword, and Anubias provide cover and mimic the natural habitat. Floating plants help diffuse light and offer additional shelter.
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Aquarium Lighting
Moderate lighting is best, ideally using full-spectrum LED systems that highlight the iridescent colours without causing stress.
Consider Zetlight LED aquarium lighting that is adjustable.
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Aquarium Heating
Maintain a stable temperature between 24–28 °C using a reliable submersible heater. Hemigrammus ocellifer thrives in consistently warm water.
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Aquarium Substrate
A dark, fine-grain sand or smooth gravel substrate enhances natural colouring and replicates the soft riverbeds of their native habitat.
A variety of Substrates are available at Coburg Aquarium.
Aquarium Decorations
Incorporate driftwood, smooth rocks, and leaf litter to simulate the Amazonian environment. Ensure all decorations are aquarium-safe and free of sharp edges.
After more nice quality decorations? Check our Aquarium Ornaments.
