Can Altum Angel and Orange Delight Shrimp Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 7, 2026
Not Recommended

Altum Angel and Orange Delight Shrimp are not recommended as tank mates due to conflicting pH requirements and 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

Altum Angel

Pterophyllum altum

Orange Delight Shrimp

Caridina loehae

🐠Family Group
Altum Angel
Cichlids - South American
Orange Delight Shrimp
Invertebrates
Temperament
Altum Angel
Semi-Aggressive (5/10)
Orange Delight Shrimp
Peaceful (0/10)
Temperature
✓ Compatible
Altum Angel
27–32°C
Orange Delight Shrimp
26–29°C
pH Range
✗ No overlap
Altum Angel
4.5–6.5
Orange Delight Shrimp
7.5–8.5
Hardness (dGH)
✓ Compatible
Altum Angel
1–5
Orange Delight Shrimp
4–8
Water Type
✓ Compatible
Altum Angel
Freshwater Only
Orange Delight Shrimp
Freshwater Only
Flow Preference
✓ Compatible
Altum Angel
Low
Orange Delight Shrimp
Low
Min Tank Volume
Combined: 400 L
Altum Angel
400 L
Orange Delight Shrimp
38 L
Swimming Level
✓ Different zones
Altum Angel
Middle
Orange Delight Shrimp
Bottom
🏷️Behavior Tags
Altum Angel
Piscivore (Eats small/nano fish)Shrimp EaterFry PredatorTerritorial (Defends specific area)Shy / Slow Moving (Easily Stressed)
Orange Delight Shrimp
Nano / Bite-sized (Predation Risk)
Stocking calculator

Can your tank handle Altum Angel 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.

Altum Angel
Orange Delight Shrimp
Test both in my tank

Behaviour & Temperament

Altum Angel is a moderately assertive species (5/10), while Orange Delight Shrimp is peaceful (0/10). This notable difference means Altum Angel may occasionally assert dominance over Orange Delight Shrimp.

In terms of spatial distribution, Altum Angel prefers the Middle (Open Water) zone, whereas Orange Delight 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.

There is a critical concern: the Piscivore (Eats small/nano fish) behaviour of one fish directly conflicts with the Nano / Bite-sized (Predation Risk) 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.

Water Parameters

The safe temperature window for both species falls between 27°C and 29°C. Aim for the midpoint of this range (around 28.0°C) for optimal comfort.

The pH requirements of Altum Angel (4.5–6.5) and Orange Delight Shrimp (7.5–8.5) do not overlap, making it impossible to satisfy both species simultaneously.

For general hardness, the shared comfort zone is 4–5 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Altum Angel and Orange Delight Shrimp together, plan for an aquarium of at least 400 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: Sand (Sifters), Driftwood (Digestion/Hiding), Leaf Litter/Blackwater, Plants - Floating, Smooth Gravel (Sensitive Barbels), Established Algae (Otocinclus). 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 Usually Fails in Practice

Altum Angel 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 Altum Angel and Orange Delight Shrimp.

Diet & Feeding

Feeding time deserves special attention with this pairing. Altum Angel is a known shrimp eater and may prey on small invertebrates or nano fish like Orange Delight Shrimp.

Frequently Asked Questions

Can Altum Angel and Orange Delight Shrimp live together?

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

What size tank do Altum Angel and Orange Delight Shrimp need?

A minimum of 400 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 Altum Angel and Orange Delight Shrimp together?

Keep the aquarium between 27°C and 29°C. A target of around 28.0°C sits comfortably within both species' preferred ranges.

Are Altum Angel or Orange Delight Shrimp aggressive?

Altum Angel is moderately assertive (5/10) 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 Altum Angel and Orange Delight Shrimp need?

Their pH requirements do not overlap. Altum Angel prefers 4.5–6.5, while Orange Delight Shrimp needs 7.5–8.5. This makes them incompatible in the same water chemistry.

How do I manage Altum Angel's territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Altum Angel space to claim a territory without encroaching on the other fish's area. Adding décor that divides the tank into distinct zones works especially well.

Editorial Review

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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