Can Bee Shrimp (Crystal Red / Black) and Delhezi Bichir (Armored Bichir) Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 4, 2026
Not Recommended

Bee Shrimp (Crystal Red / Black) and Delhezi Bichir (Armored Bichir) are not recommended as tank mates due to piscivorous fish will prey on nano-sized tank mates.. Housing these species together is likely to result in stress, health problems, or direct harm to one or both fish.


At a Glance

Bee Shrimp (Crystal Red / Black)

Caridina cantonensis

Delhezi Bichir (Armored Bichir)

Polypterus delhezi

🐠Family Group
Bee Shrimp (Crystal Red / Black)
Invertebrates
Delhezi Bichir (Armored Bichir)
Oddballs
Temperament
Bee Shrimp (Crystal Red / Black)
Peaceful (0/10)
Delhezi Bichir (Armored Bichir)
Semi-Aggressive (6/10)
Temperature
✓ Compatible
Bee Shrimp (Crystal Red / Black)
18–24°C
Delhezi Bichir (Armored Bichir)
24–30°C
pH Range
✓ Compatible
Bee Shrimp (Crystal Red / Black)
5.5–6.8
Delhezi Bichir (Armored Bichir)
6–8
Hardness (dGH)
✓ Compatible
Bee Shrimp (Crystal Red / Black)
3–6
Delhezi Bichir (Armored Bichir)
5–20
Water Type
✓ Compatible
Bee Shrimp (Crystal Red / Black)
Freshwater Only
Delhezi Bichir (Armored Bichir)
Freshwater Only
Flow Preference
✓ Compatible
Bee Shrimp (Crystal Red / Black)
Low
Delhezi Bichir (Armored Bichir)
Low
Min Tank Volume
Combined: 280 L
Bee Shrimp (Crystal Red / Black)
19 L
Delhezi Bichir (Armored Bichir)
280 L
Swimming Level
Shared: 1 zone
Bee Shrimp (Crystal Red / Black)
BottomMiddle
Delhezi Bichir (Armored Bichir)
Bottom
🏷️Behavior Tags
Bee Shrimp (Crystal Red / Black)
Nano / Bite-sized (Predation Risk)Shy / Slow Moving (Easily Stressed)Hyperactive / Fast Swimmer
Delhezi Bichir (Armored Bichir)
Piscivore (Eats small/nano fish)Shrimp EaterJumper (Lid Required)Nocturnal
Stocking calculator

Can your tank handle Bee Shrimp (Crystal Red / Black) and Delhezi Bichir (Armored Bichir)?

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.

Bee Shrimp (Crystal Red / Black)
Delhezi Bichir (Armored Bichir)
Test both in my tank

Behaviour & Temperament

Bee Shrimp (Crystal Red / Black) is a peaceful species (0/10), while Delhezi Bichir (Armored Bichir) is moderately assertive (6/10). This notable difference means Delhezi Bichir (Armored Bichir) may occasionally assert dominance over Bee Shrimp (Crystal Red / Black).

Large aggression gap (6 points) between Bee Shrimp (Crystal Red / Black) and Delhezi Bichir (Armored Bichir) increases stress risk for the more peaceful fish.

Bee Shrimp (Crystal Red / Black) and Delhezi Bichir (Armored Bichir) 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.

There is a critical concern: the Nano / Bite-sized (Predation Risk) behaviour of one fish directly conflicts with the Piscivore (Eats small/nano fish) trait of the other — piscivorous fish will prey on nano-sized tank mates..

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

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

Water Parameters

The safe temperature window for both species falls between 24°C and 24°C. Aim for the midpoint of this range (around 24.0°C) for optimal comfort.

Both fish can tolerate a pH between 6 and 6.8. Maintaining a stable value within this band is more important than hitting an exact number.

For general hardness, the shared comfort zone is 5–6 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Bee Shrimp (Crystal Red / Black) and Delhezi Bichir (Armored Bichir) together, plan for an aquarium of at least 280 litres with a minimum length of 120 cm. This recommendation combines the stricter species minimums with a community-load allowance so the pairing has realistic long-term space and filtration headroom.

Providing a mix of open swimming space and sheltered areas with rocks, driftwood, or plants will keep both species comfortable and allow natural behaviour.

Specific environmental needs for this combination include: Soil / Nutrient Rich, Plants - Densely covered, Driftwood (Digestion/Hiding), Leaf Litter/Blackwater, Established Algae (Otocinclus), Sand (Sifters), Smooth Gravel (Sensitive Barbels). Meeting these requirements will help both species thrive.

Note a potential conflict in setup requirements: Bee Shrimp (Crystal Red / Black) requires Soil / Nutrient Rich, while Delhezi Bichir (Armored Bichir) requires Sand (Sifters). These substrate types may be difficult to provide simultaneously. Bee Shrimp (Crystal Red / Black) requires Soil / Nutrient Rich, while Delhezi Bichir (Armored Bichir) requires Smooth Gravel (Sensitive Barbels). These substrate types may be difficult to provide simultaneously. Compromise where possible or prioritise the more critical need.

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 Usually Fails in Practice

Bee Shrimp (Crystal Red / Black) and Delhezi Bichir (Armored Bichir) are the kind of pair that can look acceptable in a shop but become a maintenance problem at home. The main risk is not a single number in the chart; it is the way incompatible behavior, water needs, or pressure on space compounds over time once both fish are established in the same tank.

Suitable Tank Sizes

Standard aquarium sizes large enough for both Bee Shrimp (Crystal Red / Black) and Delhezi Bichir (Armored Bichir).

Show 1 more tank size

Diet & Feeding

Feeding time deserves special attention with this pairing. Delhezi Bichir (Armored Bichir) is a known shrimp eater and may prey on small invertebrates or nano fish like Bee Shrimp (Crystal Red / Black).

Frequently Asked Questions

Can Bee Shrimp (Crystal Red / Black) and Delhezi Bichir (Armored Bichir) live together?

No. This combination is not recommended. Key incompatibilities — such as critical behavioural conflicts — make cohabitation unsafe.

What size tank do Bee Shrimp (Crystal Red / Black) and Delhezi Bichir (Armored Bichir) need?

A minimum of 280 litres (tank length at least 120 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 Bee Shrimp (Crystal Red / Black) and Delhezi Bichir (Armored Bichir) together?

Keep the aquarium between 24°C and 24°C. A target of around 24.0°C sits comfortably within both species' preferred ranges.

Are Bee Shrimp (Crystal Red / Black) or Delhezi Bichir (Armored Bichir) aggressive?

Bee Shrimp (Crystal Red / Black) is peaceful (0/10) and Delhezi Bichir (Armored Bichir) is moderately assertive (6/10). The gap in aggression levels means the calmer fish may experience stress from the more assertive one.

What pH do Bee Shrimp (Crystal Red / Black) and Delhezi Bichir (Armored Bichir) need?

Both species overlap in the 6–6.8 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

Does Delhezi Bichir (Armored Bichir) being nocturnal affect compatibility?

Delhezi Bichir (Armored 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 Delhezi Bichir (Armored Bichir) during evening hours.

Editorial Review

Guidarium Editorial Desk

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

Last reviewed
May 4, 2026
Last updated
May 4, 2026
Issues or corrections?
Contact the editorial team

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