
Blue Emproper Tetra
February 1, 2025
Emperor Tetra Var Black
February 1, 2025Available in store only
TC072
• Appearance & Size
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Approx. purchase size: usually 2–3 cm
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Max adult size: about 4–5 cm
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Slender body with shimmering blue tones
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Males develop longer fins and stronger coloration
• Lifespan
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Average lifespan: up to 6 years in captivity
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A balanced diet and stable water conditions help them reach full life expectancy
• Behavior & Feeding
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Peaceful schooling fish best kept in groups
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Omnivorous: eats flakes pellets frozen and live foods
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Active mid-level swimmer that prefers calm environments
• Aquarium Setup
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Best kept in well-planted aquariums with open swimming space
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Prefers subdued lighting and darker substrate
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Peat filtration can help replicate natural conditions
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Regular water changes maintain good health
• Water Parameters
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pH range: 5.0–7.5
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Temperature: about 21–26 °C (low to mid 70s °F)
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Water hardness: 18–215 ppm
• Tankmates
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Other peaceful tetras
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Corydoras catfish and small Loricariid catfish
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Pencil fish
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Dwarf cichlids such as Apistogramma species
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Rasboras and other calm schooling fish
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