Can Giant Whiptail Catfish and Orange Peacock Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 7, 2026
Not Recommended

Giant Whiptail Catfish and Orange Peacock are not recommended as tank mates due to no temperature overlap and conflicting pH requirements. Housing these species together is likely to result in stress, health problems, or direct harm to one or both fish.


At a Glance

Giant Whiptail Catfish

Proloricaria prolixa

Orange Peacock

Aulonocara stuartgranti maleri

🐠Family Group
Giant Whiptail Catfish
Catfish
Orange Peacock
Cichlids - African
Temperament
Giant Whiptail Catfish
Peaceful (2/10)
Orange Peacock
Semi-Aggressive (6/10)
Temperature
✗ No overlap
Giant Whiptail Catfish
16–23°C
Orange Peacock
24–28°C
pH Range
✗ No overlap
Giant Whiptail Catfish
6.5–7.5
Orange Peacock
7.8–8.6
Hardness (dGH)
✓ Compatible
Giant Whiptail Catfish
4–15
Orange Peacock
10–25
Water Type
✓ Compatible
Giant Whiptail Catfish
Freshwater Only
Orange Peacock
Freshwater Only
Flow Preference
✓ Compatible
Giant Whiptail Catfish
High
Orange Peacock
Moderate
Min Tank Volume
Combined: 400 L
Giant Whiptail Catfish
400 L
Orange Peacock
208 L
Swimming Level
Shared: 1 zone
Giant Whiptail Catfish
Bottom
Orange Peacock
BottomMiddle
🏷️Behavior Tags
Giant Whiptail Catfish
Shy / Slow Moving (Easily Stressed)Nocturnal
Orange Peacock
Digger (Disturbs Substrate)
Stocking calculator

Can your tank handle Giant Whiptail Catfish and Orange Peacock?

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.

Giant Whiptail Catfish
Orange Peacock
Test both in my tank

Behaviour & Temperament

Giant Whiptail Catfish is a peaceful species (2/10), while Orange Peacock is moderately assertive (6/10). This notable difference means Orange Peacock may occasionally assert dominance over Giant Whiptail Catfish.

Giant Whiptail Catfish and Orange Peacock 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: Giant Whiptail Catfish is nocturnal and will be most active after lights-out, naturally reducing daytime encounters.

Water Parameters

There is no temperature overlap between Giant Whiptail Catfish (16–23°C) and Orange Peacock (24–28°C). This fundamental mismatch makes long-term cohabitation impractical.

The pH requirements of Giant Whiptail Catfish (6.5–7.5) and Orange Peacock (7.8–8.6) do not overlap, making it impossible to satisfy both species simultaneously.

For general hardness, the shared comfort zone is 10–15 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Giant Whiptail Catfish and Orange Peacock together, plan for an aquarium of at least 400 litres with a minimum length of 150 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), Smooth Gravel (Sensitive Barbels), Established Algae (Otocinclus). Meeting these requirements will help both species thrive.

Both species do well with high (river/stream) water movement, so a standard filtration setup rated for the tank volume should suffice.

Why This Pairing Usually Fails in Practice

Giant Whiptail Catfish and Orange Peacock 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 Giant Whiptail Catfish and Orange Peacock.

Frequently Asked Questions

Can Giant Whiptail Catfish and Orange Peacock live together?

No. This combination is not recommended. Key incompatibilities — such as non-overlapping temperature ranges — make cohabitation unsafe.

What size tank do Giant Whiptail Catfish and Orange Peacock need?

A minimum of 400 litres (tank length at least 150 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 Giant Whiptail Catfish and Orange Peacock together?

Unfortunately, there is no temperature range that satisfies both species. Giant Whiptail Catfish requires 16–23°C, while Orange Peacock needs 24–28°C.

Are Giant Whiptail Catfish or Orange Peacock aggressive?

Giant Whiptail Catfish is peaceful (2/10) and Orange Peacock 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 Giant Whiptail Catfish and Orange Peacock need?

Their pH requirements do not overlap. Giant Whiptail Catfish prefers 6.5–7.5, while Orange Peacock needs 7.8–8.6. This makes them incompatible in the same water chemistry.

Does Giant Whiptail Catfish being nocturnal affect compatibility?

Giant Whiptail Catfish 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 Giant Whiptail Catfish during evening hours.

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?
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