Rainbow Tetra (Nematobrycon lacortei)

Fish in the family Characidae. Moderate care. Freshwater.

Quick facts

Scientific nameNematobrycon lacortei

FamilyCharacidae

Also known asLacorte's Emperor Tetra, Red-Eye Emperor

Care levelModerate

Reef safetyFreshwater

TemperamentPeaceful

Dietomnivore

Adult size2 in

Minimum tank size20 gallons

Water parametersTemp 73-81°F, pH 5.5-7.5, GH 2-15 dGH

Appearance

Iridescent blue-green flanks with rainbow sheen, bright red eyes, and dark fin edging; more colorful and slightly rarer than the common emperor tetra.

Difficulty and care for the Rainbow Tetra

Moderate

Origin and habitat

Colombia (Río San Juan basin)

Keeper notes

Peaceful but males display vigorously to each other; keep several to spread interactions.

Log Rainbow Tetra in your reef tank

Reef Trak gives you the full record on every species in your tank: acquisition date, source, photos, parameters at time of stocking, and links to maintenance and feeding events. Track Rainbow Tetra alongside everything else in your reef.

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