Can Raspy River Stingray and Red Fin Caudopunk Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 11, 2026
Not Recommended

Raspy River Stingray and Red Fin Caudopunk are not recommended as tank mates due to 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

Raspy River Stingray

Potamotrygon scobina

Red Fin Caudopunk

Neolamprologus caudopunctatus

🐠Family Group
Raspy River Stingray
Oddballs
Red Fin Caudopunk
Cichlids - African
Temperament
Raspy River Stingray
Mostly Peaceful (4/10)
Red Fin Caudopunk
Semi-Aggressive (6/10)
Temperature
✓ Compatible
Raspy River Stingray
24–28°C
Red Fin Caudopunk
23–27°C
pH Range
✗ No overlap
Raspy River Stingray
6–7.5
Red Fin Caudopunk
8–9
Hardness (dGH)
✓ Compatible
Raspy River Stingray
2–10
Red Fin Caudopunk
10–25
Water Type
✓ Compatible
Raspy River Stingray
Freshwater Only
Red Fin Caudopunk
Freshwater Only
Flow Preference
✓ Compatible
Raspy River Stingray
Moderate
Red Fin Caudopunk
Moderate
Min Tank Volume
Combined: 850 L
Raspy River Stingray
850 L
Red Fin Caudopunk
75 L
Swimming Level
Shared: 1 zone
Raspy River Stingray
Bottom
Red Fin Caudopunk
BottomMiddle
🏷️Behavior Tags
Raspy River Stingray
Piscivore (Eats small/nano fish)Shrimp EaterFry PredatorDigger (Disturbs Substrate)Plant Destroyer
Red Fin Caudopunk
Territorial (Defends specific area)Aggressive to same species/look-alikesDigger (Disturbs Substrate)Fry Predator
Stocking calculator

Can your tank handle Raspy River Stingray and Red Fin Caudopunk?

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.

Raspy River Stingray
Red Fin Caudopunk
Test both in my tank

Behaviour & Temperament

Raspy River Stingray is a generally mild-mannered species (4/10), while Red Fin Caudopunk is moderately assertive (6/10). This modest difference means Red Fin Caudopunk may occasionally assert dominance over Raspy River Stingray.

Raspy River Stingray and Red Fin Caudopunk 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.

Water Parameters

The safe temperature window for both species falls between 24°C and 27°C. Aim for the midpoint of this range (around 25.5°C) for optimal comfort.

The pH requirements of Raspy River Stingray (6–7.5) and Red Fin Caudopunk (8–9) do not overlap, making it impossible to satisfy both species simultaneously.

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

Tank Setup

To house Raspy River Stingray and Red Fin Caudopunk together, plan for an aquarium of at least 850 litres with a minimum length of 180 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), Shells (Breeding/Hiding). Meeting these requirements will help both species thrive.

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

Why This Pairing Usually Fails in Practice

Raspy River Stingray and Red Fin Caudopunk 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.

Frequently Asked Questions

Can Raspy River Stingray and Red Fin Caudopunk live together?

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

What size tank do Raspy River Stingray and Red Fin Caudopunk need?

A minimum of 850 litres (tank length at least 180 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 Raspy River Stingray and Red Fin Caudopunk together?

Keep the aquarium between 24°C and 27°C. A target of around 25.5°C sits comfortably within both species' preferred ranges.

Are Raspy River Stingray or Red Fin Caudopunk aggressive?

Raspy River Stingray is generally mild-mannered (4/10) and Red Fin Caudopunk is moderately assertive (6/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Raspy River Stingray and Red Fin Caudopunk need?

Their pH requirements do not overlap. Raspy River Stingray prefers 6–7.5, while Red Fin Caudopunk needs 8–9. This makes them incompatible in the same water chemistry.

How do I manage Red Fin Caudopunk's territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Red Fin Caudopunk 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 11, 2026
Last updated
May 11, 2026
Issues or corrections?
Contact the editorial team

Related Comparisons