Can Angelicus Pleco L073 and Rosy Barb Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 2, 2026
Not Recommended

Angelicus Pleco L073 and Rosy Barb 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

Angelicus Pleco L073

Hypancistrus sp. L073

Rosy Barb

Pethia conchonius

🐠Family Group
Angelicus Pleco L073
Catfish
Rosy Barb
Cyprinids
Temperament
Angelicus Pleco L073
Mostly Peaceful (3/10)
Rosy Barb
Mostly Peaceful (3/10)
Temperature
✗ No overlap
Angelicus Pleco L073
26–30°C
Rosy Barb
18–25°C
pH Range
✓ Compatible
Angelicus Pleco L073
5.5–7.5
Rosy Barb
6–8
Hardness (dGH)
✓ Compatible
Angelicus Pleco L073
2–15
Rosy Barb
4–15
Water Type
✓ Compatible
Angelicus Pleco L073
Freshwater Only
Rosy Barb
Freshwater Only
Flow Preference
✓ Compatible
Angelicus Pleco L073
High
Rosy Barb
Moderate
Min Tank Volume
Combined: 111 L
Angelicus Pleco L073
110 L
Rosy Barb
110 L
Swimming Level
Shared: 1 zone
Angelicus Pleco L073
Bottom
Rosy Barb
MiddleBottom
🏷️Behavior Tags
Angelicus Pleco L073
NocturnalShy / Slow Moving (Easily Stressed)
Rosy Barb
Hyperactive / Fast SwimmerFin NipperAggressive Eater (Starves shy fish)Plant Destroyer
Stocking calculator

Can your tank handle Angelicus Pleco L073 and Rosy Barb?

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.

Angelicus Pleco L073
Rosy Barb
Test both in my tank

Behaviour & Temperament

Both Angelicus Pleco L073 and Rosy Barb are generally mild-mannered species with an aggression score of 3/10. Their matching temperaments mean neither fish is likely to dominate the other in a shared aquarium.

Angelicus Pleco L073 and Rosy Barb 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.

Additional behavioural considerations to keep in mind: Hyperactive swimmers can stress shy, slow-moving species through constant motion. Aggressive eaters may outcompete shy fish for food, leading to malnutrition.

Worth noting: Angelicus Pleco L073 is nocturnal and will be most active after lights-out, naturally reducing daytime encounters.

Water Parameters

There is no temperature overlap between Angelicus Pleco L073 (26–30°C) and Rosy Barb (18–25°C). This fundamental mismatch makes long-term cohabitation impractical.

Both fish can tolerate a pH between 6 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 4–15 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Angelicus Pleco L073 and Rosy Barb together, plan for an aquarium of at least 111 litres with a minimum length of 80 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: Driftwood (Digestion/Hiding), Sand (Sifters), Smooth Gravel (Sensitive Barbels). 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

Angelicus Pleco L073 and Rosy Barb 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 Angelicus Pleco L073 and Rosy Barb.

Show 11 more tank sizes

Diet & Feeding

Feeding time deserves special attention with this pairing. Rosy Barb is an aggressive eater that may prevent Angelicus Pleco L073 from getting enough food.

Because Rosy Barb is a fast, competitive feeder, consider using sinking pellets or feeding at opposite ends of the setup to ensure Angelicus Pleco L073 receives an adequate share.

Frequently Asked Questions

Can Angelicus Pleco L073 and Rosy Barb live together?

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

What size tank do Angelicus Pleco L073 and Rosy Barb need?

A minimum of 111 litres (tank length at least 80 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 Angelicus Pleco L073 and Rosy Barb together?

Unfortunately, there is no temperature range that satisfies both species. Angelicus Pleco L073 requires 26–30°C, while Rosy Barb needs 18–25°C.

Are Angelicus Pleco L073 or Rosy Barb aggressive?

Angelicus Pleco L073 is generally mild-mannered (3/10) and Rosy Barb is generally mild-mannered (3/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Angelicus Pleco L073 and Rosy Barb need?

Both species overlap in the 6–7.5 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

Will Rosy Barb nip Angelicus Pleco L073's fins?

Rosy Barb is a known fin nipper. If Angelicus Pleco L073 has long or flowing fins, there is a real risk of fin damage. Keeping Rosy Barb in a larger group can help redirect nipping behaviour toward conspecifics.

Does Angelicus Pleco L073 being nocturnal affect compatibility?

Angelicus Pleco L073 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 Angelicus Pleco L073 during evening hours.

Editorial Review

Guidarium Editorial Desk

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

Last reviewed
May 2, 2026
Last updated
May 2, 2026
Issues or corrections?
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