Can Saddled Bichir and Whisker Shrimp Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 11, 2026
Possible with Caution

Keeping Saddled Bichir and Whisker Shrimp together is possible but requires caution, though some care is needed. Provide a spacious tank of at least 650 litres with plenty of hiding spots to reduce stress. Monitor behaviour closely, especially during the first few weeks.


At a Glance

Saddled Bichir

Polypterus endlicheri

Whisker Shrimp

Macrobrachium sp.

🐠Family Group
Saddled Bichir
Oddballs
Whisker Shrimp
Invertebrates
Temperament
Saddled Bichir
Semi-Aggressive (6/10)
Whisker Shrimp
Aggressive (7/10)
Temperature
✓ Compatible
Saddled Bichir
24–30°C
Whisker Shrimp
20–28°C
pH Range
✓ Compatible
Saddled Bichir
6–8
Whisker Shrimp
7–8
Hardness (dGH)
✓ Compatible
Saddled Bichir
5–20
Whisker Shrimp
5–15
Water Type
✓ Compatible
Saddled Bichir
Freshwater Only
Whisker Shrimp
Freshwater Only
Flow Preference
✓ Compatible
Saddled Bichir
Moderate
Whisker Shrimp
Moderate
Min Tank Volume
Combined: 650 L
Saddled Bichir
650 L
Whisker Shrimp
38 L
Swimming Level
Shared: 1 zone
Saddled Bichir
Bottom
Whisker Shrimp
BottomMiddle
🏷️Behavior Tags
Saddled Bichir
Piscivore (Eats small/nano fish)NocturnalJumper (Lid Required)
Whisker Shrimp
Shrimp EaterFry PredatorFin NipperGenerally AggressiveNocturnal
Stocking calculator

Can your tank handle Saddled Bichir and Whisker 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.

Saddled Bichir
Whisker Shrimp
Test both in my tank

Behaviour & Temperament

Saddled Bichir is a moderately assertive species (6/10), while Whisker Shrimp is semi-aggressive (7/10). This modest difference means Whisker Shrimp may occasionally assert dominance over Saddled Bichir.

Saddled Bichir and Whisker 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.

Worth noting: Saddled Bichir is nocturnal and will be most active after lights-out, naturally reducing daytime encounters. Also, Saddled Bichir is a known jumper, so a tight-fitting lid is essential.

To improve the chances of a peaceful coexistence in this community tank: 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 24°C and 28°C. Aim for the midpoint of this range (around 26.0°C) for optimal comfort.

Both fish can tolerate a pH between 7 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 Saddled Bichir and Whisker Shrimp together, plan for an aquarium of at least 650 litres with a minimum length of 180 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), Driftwood (Digestion/Hiding), Plants - Densely covered. 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. Saddled Bichir and Whisker 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 Saddled Bichir and Whisker Shrimp.

Frequently Asked Questions

Can Saddled Bichir and Whisker Shrimp live together?

They can coexist, but the pairing requires careful monitoring. Provide ample space (at least 650 litres), plenty of hiding spots, and watch for signs of stress or aggression.

What size tank do Saddled Bichir and Whisker Shrimp need?

A minimum of 650 litres (tank length at least 180 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 Saddled Bichir and Whisker Shrimp together?

Keep the aquarium between 24°C and 28°C. A target of around 26.0°C sits comfortably within both species' preferred ranges.

Are Saddled Bichir or Whisker Shrimp aggressive?

Saddled Bichir is moderately assertive (6/10) and Whisker Shrimp is semi-aggressive (7/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Saddled Bichir and Whisker Shrimp need?

Both species overlap in the 7–8 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

Will Whisker Shrimp nip Saddled Bichir's fins?

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

Does Saddled Bichir being nocturnal affect compatibility?

Saddled Bichir is most active after lights-out, which naturally reduces daytime encounters with its tank mate. This can actually be beneficial, as both fish get undisturbed time to feed and explore. Just ensure food reaches Saddled Bichir during evening hours.

Editorial Review

Guidarium Editorial Desk

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

Last reviewed
May 11, 2026
Last updated
May 11, 2026
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