Can Flower Stingray and Loricaria spinulifera Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 6, 2026
Possible with Caution

Keeping Flower Stingray and Loricaria spinulifera together is possible but requires caution due to differing aggression levels. Provide a spacious tank of at least 1700 litres with plenty of hiding spots to reduce stress. Monitor behaviour closely, especially during the first few weeks.


At a Glance

Flower Stingray

Potamotrygon schroederi

Loricaria spinulifera

Loricaria spinulifera

🐠Family Group
Flower Stingray
Oddballs
Loricaria spinulifera
Catfish
Temperament
Flower Stingray
Semi-Aggressive (6/10)
Loricaria spinulifera
Peaceful (1/10)
Temperature
✓ Compatible
Flower Stingray
24–29°C
Loricaria spinulifera
25–29°C
pH Range
✓ Compatible
Flower Stingray
6–7.5
Loricaria spinulifera
6–7.5
Hardness (dGH)
✓ Compatible
Flower Stingray
1–12
Loricaria spinulifera
1–12
Water Type
✓ Compatible
Flower Stingray
Freshwater Only
Loricaria spinulifera
Freshwater Only
Flow Preference
✓ Compatible
Flower Stingray
Moderate
Loricaria spinulifera
Moderate
Min Tank Volume
Combined: 1700 L
Flower Stingray
1700 L
Loricaria spinulifera
110 L
Swimming Level
Shared: 1 zone
Flower Stingray
Bottom
Loricaria spinulifera
Bottom
🏷️Behavior Tags
Flower Stingray
Piscivore (Eats small/nano fish)Shrimp EaterFry PredatorDigger (Disturbs Substrate)Plant Destroyer
Loricaria spinulifera
Shy / Slow Moving (Easily Stressed)Nocturnal
Stocking calculator

Can your tank handle Flower Stingray and Loricaria spinulifera?

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.

Flower Stingray
Loricaria spinulifera
Test both in my tank

Behaviour & Temperament

Flower Stingray is a moderately assertive species (6/10), while Loricaria spinulifera is peaceful (1/10). This notable difference means Flower Stingray may occasionally assert dominance over Loricaria spinulifera.

Flower Stingray and Loricaria spinulifera 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: Loricaria spinulifera is nocturnal and will be most active after lights-out, naturally reducing daytime encounters.

To improve the chances of a peaceful coexistence in this community tank: A larger aquarium with ample hiding spots can help diffuse aggression and give the less dominant fish space to retreat.

Water Parameters

The safe temperature window for both species falls between 25°C and 29°C. Aim for the midpoint of this range (around 27.0°C) for optimal comfort.

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 1–12 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Flower Stingray and Loricaria spinulifera together, plan for an aquarium of at least 1700 litres with a minimum length of 240 cm. This recommendation combines the stricter species minimums with a community-load allowance so the pairing has realistic long-term space and filtration headroom.

Because this pairing requires extra vigilance, include plenty of hiding spots — caves, driftwood, and dense plant clusters — so the less dominant fish can retreat when needed.

Specific environmental needs for this combination include: Sand (Sifters), Smooth Gravel (Sensitive Barbels), Driftwood (Digestion/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 Needs Extra Planning in Practice

This pairing usually fails when the tank is treated like a standard mixed community and the caution flags are ignored. Flower Stingray and Loricaria spinulifera need extra room, more cover, and closer observation during the first few weeks so small aggression, feeding, or territory issues do not snowball into a long-term problem.

Frequently Asked Questions

Can Flower Stingray and Loricaria spinulifera live together?

They can coexist, but the pairing requires careful monitoring. Provide ample space (at least 1700 litres), plenty of hiding spots, and watch for signs of stress or aggression.

What size tank do Flower Stingray and Loricaria spinulifera need?

A minimum of 1700 litres (tank length at least 240 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 Flower Stingray and Loricaria spinulifera together?

Keep the aquarium between 25°C and 29°C. A target of around 27.0°C sits comfortably within both species' preferred ranges.

Are Flower Stingray or Loricaria spinulifera aggressive?

Flower Stingray is moderately assertive (6/10) and Loricaria spinulifera is peaceful (1/10). The gap in aggression levels means the calmer fish may experience stress from the more assertive one.

What pH do Flower Stingray and Loricaria spinulifera 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.

Does Loricaria spinulifera being nocturnal affect compatibility?

Loricaria spinulifera 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 Loricaria spinulifera during evening hours.

Editorial Review

Guidarium Editorial Desk

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

Last reviewed
May 6, 2026
Last updated
May 6, 2026
Issues or corrections?
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