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The Rainbow Tetra is a stunning relative of the Emperor Tetra, displaying iridescent gold, green, blue, and violet hues that shift with the lighting. Males develop extended dorsal and caudal fin rays similar to Emperor Tetras and are often more colourful than females. Peaceful and active, this species thrives in schools and makes an excellent addition to well-planted community aquariums. Adults grow to about 2–2.5 inches (5–6 cm).

Fish Info
Scientific Name Nematobrycon lacortei
Experience Level Expert Only
Tank Size Need Large (50+ Gal)
Adult Size 5cm
pH Range 6.0 - 7.2
Swimming Zone Middle Dweller
Temperament Peaceful Community
Water Hardness 3 - 12 dGH
Type of Diet Omnivorous
Group Behavior Loose Schooling
Temperature Range Standard Tropical (72°F - 78°F)

Rainbow Tetra (Nematobrycon lacortei)

5/5 1 reviews

The Rainbow Tetra is a stunning relative of the Emperor Tetra, displaying iridescent gold, green, blue, and violet hues that shift with the lighting. Males develop extended dorsal and caudal fin rays similar to Emperor Tetras and are often more colourful than females. Peaceful and active, this species thrives in schools and makes an excellent addition to well-planted community aquariums. Adults grow to about 2–2.5 inches (5–6 cm).

Fish Info
Scientific Name Nematobrycon lacortei
Experience Level Expert Only
Tank Size Need Large (50+ Gal)
Adult Size 5cm
pH Range 6.0 - 7.2
Swimming Zone Middle Dweller
Temperament Peaceful Community
Water Hardness 3 - 12 dGH
Type of Diet Omnivorous
Group Behavior Loose Schooling
Temperature Range Standard Tropical (72°F - 78°F)
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$3.95

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FAQ (Frequently Asked Questions)

Yes, you can order fish along with dry goods. However, if the dry goods are heavy or bulky, it may be more cost-effective to place two separate orders. In that case, you could ship the dry goods using a slower, more affordable shipping option.

If your order has not shipped yet, you can email us your correct shipping address, and we will update it for you.

On weekdays, if we receive your order before 2 p.m., it will be shipped out the same day. Dry goods are shipped from Monday to Friday. Orders that include livestock are only shipped from Monday to Thursday to avoid transit over the weekend.

At checkout, you can leave your request in the comments box.

Our locker boxes are located in the foyer of our store at 230 Hanlon Creek Blvd, Unit 107, Guelph. The room is accessible from 9 a.m. to 9 p.m.