Can Black Marble Hoplo and Ghost Shrimp Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 6, 2026
Possible with Caution

Keeping Black Marble Hoplo and Ghost Shrimp together is possible but requires caution due to potential behavioral clashes. Provide a spacious tank of at least 115 litres with plenty of hiding spots to reduce stress. Monitor behaviour closely, especially during the first few weeks.


At a Glance

Black Marble Hoplo

Megalechis thoracata

Ghost Shrimp

Palaemonetes paludosus

🐠Family Group
Black Marble Hoplo
Catfish
Ghost Shrimp
Invertebrates
Temperament
Black Marble Hoplo
Mostly Peaceful (3/10)
Ghost Shrimp
Peaceful (1/10)
Temperature
✓ Compatible
Black Marble Hoplo
18–28°C
Ghost Shrimp
18–28°C
pH Range
✓ Compatible
Black Marble Hoplo
6–8
Ghost Shrimp
6.5–8
Hardness (dGH)
✓ Compatible
Black Marble Hoplo
2–20
Ghost Shrimp
5–15
Water Type
✓ Compatible
Black Marble Hoplo
Freshwater Only
Ghost Shrimp
Freshwater Only
Flow Preference
✓ Compatible
Black Marble Hoplo
Low
Ghost Shrimp
Low
Min Tank Volume
Combined: 115 L
Black Marble Hoplo
115 L
Ghost Shrimp
19 L
Swimming Level
Shared: 1 zone
Black Marble Hoplo
BottomMiddle
Ghost Shrimp
Bottom
🏷️Behavior Tags
Black Marble Hoplo
Digger (Disturbs Substrate)Jumper (Lid Required)Shrimp EaterFry PredatorHyperactive / Fast Swimmer
Ghost Shrimp
Nano / Bite-sized (Predation Risk)Hyperactive / Fast Swimmer
Stocking calculator

Can your tank handle Black Marble Hoplo 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.

Black Marble Hoplo
Ghost Shrimp
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Behaviour & Temperament

Black Marble Hoplo is a generally mild-mannered species (3/10), while Ghost Shrimp is peaceful (1/10). This modest difference means Black Marble Hoplo may occasionally assert dominance over Ghost Shrimp.

Black Marble Hoplo and Ghost Shrimp both frequent the Bottom (Substrate) region of the setup. This overlap can increase competition for space, so providing ample room and cover is important to keep both species comfortable.

Additional behavioural considerations to keep in mind: Shrimp eaters may also prey on very small nano fish.

Worth noting: Black Marble Hoplo is a known jumper, so a tight-fitting lid is essential.

Water Parameters

The safe temperature window for both species falls between 18°C and 28°C. Aim for the midpoint of this range (around 23.0°C) for optimal comfort.

Both fish can tolerate a pH between 6.5 and 8. Maintaining a stable value within this band is more important than hitting an exact number.

For general hardness, the shared comfort zone is 5–15 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Black Marble Hoplo and Ghost Shrimp together, plan for an aquarium of at least 115 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: Sand (Sifters), Smooth Gravel (Sensitive Barbels), Plants - Densely covered, Leaf Litter/Blackwater. Meeting these requirements will help both species thrive.

Both species do well with low (still water) 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. Black Marble Hoplo 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 Black Marble Hoplo and Ghost Shrimp.

Show 9 more tank sizes

Diet & Feeding

Feeding time deserves special attention with this pairing. Black Marble Hoplo is a known shrimp eater and may prey on small invertebrates or nano fish like Ghost Shrimp.

Frequently Asked Questions

Can Black Marble Hoplo and Ghost Shrimp live together?

They can coexist, but the pairing requires careful monitoring. Provide ample space (at least 115 litres), plenty of hiding spots, and watch for signs of stress or aggression.

What size tank do Black Marble Hoplo and Ghost Shrimp need?

A minimum of 115 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 Black Marble Hoplo and Ghost Shrimp together?

Keep the aquarium between 18°C and 28°C. A target of around 23.0°C sits comfortably within both species' preferred ranges.

Are Black Marble Hoplo or Ghost Shrimp aggressive?

Black Marble Hoplo is generally mild-mannered (3/10) and Ghost Shrimp is peaceful (1/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Black Marble Hoplo and Ghost Shrimp need?

Both species overlap in the 6.5–8 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

Editorial Review

Guidarium Editorial Desk

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

Last reviewed
May 6, 2026
Last updated
May 6, 2026
Issues or corrections?
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