Can Arulius Barb and Orange Delight Shrimp Live Together?
Arulius Barb and Orange Delight Shrimp are not recommended as tank mates due to no temperature overlap. Housing these species together is likely to result in stress, health problems, or direct harm to one or both fish.
At a Glance
Can your tank handle Arulius Barb and Orange Delight 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.
Behaviour & Temperament
Arulius Barb is a generally mild-mannered species (4/10), while Orange Delight Shrimp is peaceful (0/10). This notable difference means Arulius Barb may occasionally assert dominance over Orange Delight Shrimp.
Arulius Barb and Orange Delight 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: Arulius Barb is a known jumper, so a tight-fitting lid is essential.
Water Parameters
There is no temperature overlap between Arulius Barb (19–25°C) and Orange Delight Shrimp (26–29°C). This fundamental mismatch makes long-term cohabitation impractical.
Both fish can tolerate a pH between 7.5 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 4–8 dGH. Regular testing will ensure conditions stay within this range.
Tank Setup
To house Arulius Barb and Orange Delight Shrimp together, plan for an aquarium of at least 200 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: Smooth Gravel (Sensitive Barbels), Sand (Sifters), Established Algae (Otocinclus). Meeting these requirements will help both species thrive.
Arulius Barb prefers High (River/Stream) flow while Orange Delight Shrimp needs Low (Still Water) flow. Consider positioning filter outlets and using baffles to create zones of different current intensity within the same tank.
Why This Pairing Usually Fails in Practice
Arulius Barb and Orange Delight Shrimp 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 Arulius Barb and Orange Delight Shrimp.
55 Gallon Standard
60 Gallon Breeder
75 Gallon Standard
90 Gallon Standard
125 Gallon Standard
150 Gallon High
Frequently Asked Questions
Can Arulius Barb and Orange Delight Shrimp live together?
No. This combination is not recommended. Key incompatibilities — such as non-overlapping temperature ranges — make cohabitation unsafe.
What size tank do Arulius Barb and Orange Delight Shrimp need?
A minimum of 200 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 Arulius Barb and Orange Delight Shrimp together?
Unfortunately, there is no temperature range that satisfies both species. Arulius Barb requires 19–25°C, while Orange Delight Shrimp needs 26–29°C.
Are Arulius Barb or Orange Delight Shrimp aggressive?
Arulius Barb is generally mild-mannered (4/10) and Orange Delight Shrimp is peaceful (0/10). The gap in aggression levels means the calmer fish may experience stress from the more assertive one.
What pH do Arulius Barb and Orange Delight Shrimp need?
Both species overlap in the 7.5–7.5 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.
Will Arulius Barb nip Orange Delight Shrimp's fins?
Arulius Barb is a known fin nipper. If Orange Delight Shrimp has long or flowing fins, there is a real risk of fin damage. Keeping Arulius Barb in a larger group can help redirect nipping behaviour toward conspecifics.
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Guidarium Editorial Desk
Reviewed against Guidarium care, stocking, and compatibility standards. Read the editorial policy.
- Last reviewed
- May 7, 2026
- Last updated
- May 7, 2026
- Issues or corrections?
- Contact the editorial team
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