Can Blue Tetra and Ghost Shrimp Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 2, 2026
Possible with Caution

Keeping Blue Tetra and Ghost Shrimp together is possible but requires caution due to differing aggression levels. Provide a spacious tank of at least 90 litres with plenty of hiding spots to reduce stress. Monitor behaviour closely, especially during the first few weeks.


At a Glance

Blue Tetra

Knodus borki

Ghost Shrimp

Palaemonetes paludosus

🐠Family Group
Blue Tetra
Characins
Ghost Shrimp
Invertebrates
Temperament
Blue Tetra
Semi-Aggressive (5/10)
Ghost Shrimp
Peaceful (1/10)
Temperature
✓ Compatible
Blue Tetra
22–26°C
Ghost Shrimp
18–28°C
pH Range
✓ Compatible
Blue Tetra
5.5–7.5
Ghost Shrimp
6.5–8
Hardness (dGH)
✓ Compatible
Blue Tetra
2–12
Ghost Shrimp
5–15
Water Type
✓ Compatible
Blue Tetra
Freshwater Only
Ghost Shrimp
Freshwater Only
Flow Preference
✓ Compatible
Blue Tetra
Moderate
Ghost Shrimp
Low
Min Tank Volume
Combined: 90 L
Blue Tetra
90 L
Ghost Shrimp
19 L
Swimming Level
✓ Different zones
Blue Tetra
TopMiddle
Ghost Shrimp
Bottom
🏷️Behavior Tags
Blue Tetra
Hyperactive / Fast SwimmerFin NipperAggressive to same species/look-alikesJumper (Lid Required)
Ghost Shrimp
Nano / Bite-sized (Predation Risk)Hyperactive / Fast Swimmer
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Can your tank handle Blue Tetra and Ghost Shrimp?

Compatibility is only part of the answer. Test both fish with your real tank size, current stock, and maintenance needs to see if you have enough space and a safe stocking level before you add them.

Blue Tetra
Ghost Shrimp
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Behaviour & Temperament

Blue Tetra is a moderately assertive species (5/10), while Ghost Shrimp is peaceful (1/10). This notable difference means Blue Tetra may occasionally assert dominance over Ghost Shrimp.

In terms of spatial distribution, Blue Tetra prefers the Top (Surface) and Middle (Open Water) zones, whereas Ghost Shrimp occupies the Bottom (Substrate) zone. Because they use different levels of the water column, territorial disputes are less likely and the tank will appear more balanced.

Worth noting: Blue Tetra is a known jumper, so a tight-fitting lid is essential.

To improve the chances of a peaceful coexistence in this community tank: A larger aquarium with ample hiding spots can help diffuse aggression and give the less dominant fish space to retreat. Keep fin nippers in larger groups to distribute nipping behaviour among conspecifics rather than tank mates.

Water Parameters

The safe temperature window for both species falls between 22°C and 26°C. Aim for the midpoint of this range (around 24.0°C) for optimal comfort.

Both fish can tolerate a pH between 6.5 and 7.5. Maintaining a stable value within this band is more important than hitting an exact number.

For general hardness, the shared comfort zone is 5–12 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Blue Tetra and Ghost Shrimp together, plan for an aquarium of at least 90 litres with a minimum length of 90 cm. This recommendation combines the stricter species minimums with a community-load allowance so the pairing has realistic long-term space and filtration headroom.

Because this pairing requires extra vigilance, include plenty of hiding spots — caves, driftwood, and dense plant clusters — so the less dominant fish can retreat when needed.

Specific environmental needs for this combination include: Plants - Densely covered, Leaf Litter/Blackwater. Meeting these requirements will help both species thrive.

Both species do well with moderate (standard) water movement, so a standard filtration setup rated for the tank volume should suffice.

Why This Pairing Needs Extra Planning in Practice

This pairing usually fails when the tank is treated like a standard mixed community and the caution flags are ignored. Blue Tetra and Ghost Shrimp need extra room, more cover, and closer observation during the first few weeks so small aggression, feeding, or territory issues do not snowball into a long-term problem.

Suitable Tank Sizes

Standard aquarium sizes large enough for both Blue Tetra and Ghost Shrimp.

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Frequently Asked Questions

Can Blue Tetra and Ghost Shrimp live together?

They can coexist, but the pairing requires careful monitoring. Provide ample space (at least 90 litres), plenty of hiding spots, and watch for signs of stress or aggression.

What size tank do Blue Tetra and Ghost Shrimp need?

A minimum of 90 litres (tank length at least 90 cm) is recommended. This provides enough space for both species to establish their own areas and reduces the likelihood of territorial disputes.

What water temperature is best for Blue Tetra and Ghost Shrimp together?

Keep the aquarium between 22°C and 26°C. A target of around 24.0°C sits comfortably within both species' preferred ranges.

Are Blue Tetra or Ghost Shrimp aggressive?

Blue Tetra is moderately assertive (5/10) and Ghost Shrimp is peaceful (1/10). The gap in aggression levels means the calmer fish may experience stress from the more assertive one.

What pH do Blue Tetra and Ghost Shrimp need?

Both species overlap in the 6.5–7.5 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

Will Blue Tetra nip Ghost Shrimp's fins?

Blue Tetra is a known fin nipper. If Ghost Shrimp has long or flowing fins, there is a real risk of fin damage. Keeping Blue Tetra in a larger group can help redirect nipping behaviour toward conspecifics.

Editorial Review

Guidarium Editorial Desk

Reviewed against Guidarium care, stocking, and compatibility standards. Read the editorial policy.

Last reviewed
May 2, 2026
Last updated
May 2, 2026
Issues or corrections?
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