Photo any DOA in the sealed bag on the day of delivery. Approved claims are resolved with store credit, refund, or replacement at Razz Aquatics' discretion. See policy →
Quarantined livestock • Professionally packed • Insulated with weather protection
100+ AquariumsQuarantined Before ShippingFamily-Owned
Care Level
Intermediate
Temperature
72–80°F
pH Range
6.0–7.5
Min. Tank
20 gallons
Blue Emperor TetraFrom $20.99
Species Profile
Blue Emperor Tetra
Inpaichthys kerri
Why We Love This Fish
Verified shrimp-safe species
Quarantined before shipping
Stunning in planted tanks
Peaceful community fish
Blue Emperor Tetras (Inpaichthys kerri) are peaceful schooling fish with metallic blue-violet tones and a dark horizontal line. Their color deepens against dark backgrounds and healthy plant growth.
They do best in a mature, stable aquarium with a proper group.
Care Notes
Keep the aquarium mature and stable with plant cover and open mid-water swimming space.
Feed a varied diet and keep at least 8 for a more confident display.
Quick Care Facts
Care Level
Intermediate
Temperature
72–80°F
pH Range
6.0–7.5
Min. Tank
20 gallons
Diet
Fine flakes, micro pellets, frozen foods, and live foods
Adult Size
~1.5–2 inches
What’s Included
Quarantined fish
Insulated + weather pack
Overnight required
Species Spotlight
Why We Love This Fish
01
Metallic Blue-Violet Color
Their cool-toned body color is unusual among community tetras.
02
Excellent Planted-Tank Fish
Dark backgrounds and green plants bring out the metallic body tones.
03
Generally Adult-Shrimp Compatible
Adult shrimp are usually ignored, though shrimplets may still be at risk.
Community Tank
Compatible Tank Mates
These nano fish coexist well with shrimp and other peaceful invertebrates.
Fish ship via Overnight service to minimize stress and maximize live arrival success. Livestock ships Monday through Wednesday. Choose your preferred delivery date at checkout.
1
Choose Delivery Date
Select your preferred delivery date at checkout. Livestock delivers Wednesday through Thursday.
2
Quarantined & Health Checked
Every animal is imported, quarantined on-site, and health-checked before it ships.
3
Packed for the Weather
Insulated box with heat or cold pack matched to your local weather forecast.
4
Live Arrival Guaranteed
100% Live Arrival Guarantee on every order. Photo any DOA in the sealed bag on the day of delivery and submit a claim through the Start a Claim page. Approved claims are resolved with store credit, refund, or replacement at Razz Aquatics' discretion.See policy →
Fish orders require Overnight. Free Overnight at $200+. Shrimp & livestock: Free 2-Day at $120+.
Why Order From Razz Aquatics
Quarantined Before Every Shipment
Every animal we sell is imported from trusted suppliers, quarantined in our dedicated facility, and health-checked before it ships. We run over 100 aquariums on-site — each focused on a specific species or color morph.
This is a family-owned operation. We pack every order ourselves and stand behind it with a 100% Live Arrival Guarantee. No drop-shipping. No middlemen.
100+
Dedicated quarantine & holding aquariums on-site
48+
States served with live livestock delivery
4.9★
Average customer rating across all verified reviews
100%
Live Arrival Guarantee — backed without fine print
Quarantined Before ShippingFamily-Owned & Operated
Common Questions
Blue Emperor Tetra FAQ
How many Blue Emperor Tetras should I keep?+
Keep at least 8 for more confident schooling behavior.
Are Blue Emperor Tetras safe with shrimp?+
Generally compatible with adult shrimp; shrimplets may still be eaten.
How are Blue Emperor Tetras shipped?+
Fish ship Monday through Wednesday via Overnight / Next Day Air and typically arrive Tuesday through Thursday in insulated packaging with weather-appropriate protection.
What tank size do Blue Emperor Tetras need?+
We recommend at least 20 gallons with open swimming room.
What do Blue Emperor Tetras eat?+
Feed fine flake, micro pellets, frozen daphnia, and other appropriately sized foods.
Is there a live arrival guarantee?+
Yes. Every order is covered by our Live Arrival Guarantee. Photograph any DOA in the sealed bag on delivery day and submit a claim through the Start a Claim page.
Live plants give nano fish cover, reduce stress, and create a more natural aquarium. They help break up sightlines, provide shelter for shy fish, and support a healthier planted tank.
Shrimp Safe
Shrimp Safe
Shrimp Safe
Shrimp Safe
Shrimp Safe
