Can False Glass Catfish and Teacup Stingray (Common Freshwater Ray) Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 4, 2026
Possible with Caution

Keeping False Glass Catfish and Teacup Stingray (Common Freshwater Ray) together is possible but requires caution due to differing aggression levels and potential behavioral clashes. Provide a spacious tank of at least 750 litres with plenty of hiding spots to reduce stress. Monitor behaviour closely, especially during the first few weeks.


At a Glance

False Glass Catfish

Kryptopterus macrocephalus

Teacup Stingray (Common Freshwater Ray)

Potamotrygon laticeps

🐠Family Group
False Glass Catfish
Catfish
Teacup Stingray (Common Freshwater Ray)
Oddballs
Temperament
False Glass Catfish
Peaceful (2/10)
Teacup Stingray (Common Freshwater Ray)
Semi-Aggressive (6/10)
Temperature
✓ Compatible
False Glass Catfish
22–28°C
Teacup Stingray (Common Freshwater Ray)
24–28°C
pH Range
✓ Compatible
False Glass Catfish
5–7
Teacup Stingray (Common Freshwater Ray)
6–7.5
Hardness (dGH)
✓ Compatible
False Glass Catfish
1–8
Teacup Stingray (Common Freshwater Ray)
1–12
Water Type
✓ Compatible
False Glass Catfish
Freshwater Only
Teacup Stingray (Common Freshwater Ray)
Freshwater Only
Flow Preference
✓ Compatible
False Glass Catfish
Low
Teacup Stingray (Common Freshwater Ray)
Moderate
Min Tank Volume
Combined: 750 L
False Glass Catfish
110 L
Teacup Stingray (Common Freshwater Ray)
750 L
Swimming Level
✓ Different zones
False Glass Catfish
Middle
Teacup Stingray (Common Freshwater Ray)
Bottom
🏷️Behavior Tags
False Glass Catfish
Shy / Slow Moving (Easily Stressed)Fry PredatorShrimp Eater
Teacup Stingray (Common Freshwater Ray)
Piscivore (Eats small/nano fish)Shrimp EaterFry PredatorDigger (Disturbs Substrate)Hyperactive / Fast Swimmer
Stocking calculator

Can your tank handle False Glass Catfish and Teacup Stingray (Common Freshwater Ray)?

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.

False Glass Catfish
Teacup Stingray (Common Freshwater Ray)
Test both in my tank

Behaviour & Temperament

False Glass Catfish is a peaceful species (2/10), while Teacup Stingray (Common Freshwater Ray) is moderately assertive (6/10). This notable difference means Teacup Stingray (Common Freshwater Ray) may occasionally assert dominance over False Glass Catfish.

In terms of spatial distribution, False Glass Catfish prefers the Middle (Open Water) zone, whereas Teacup Stingray (Common Freshwater Ray) 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.

Additional behavioural considerations to keep in mind: Hyperactive swimmers can stress shy, slow-moving species through constant motion.

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 24°C and 28°C. Aim for the midpoint of this range (around 26.0°C) for optimal comfort.

Both fish can tolerate a pH between 6 and 7. Maintaining a stable value within this band is more important than hitting an exact number.

For general hardness, the shared comfort zone is 1–8 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house False Glass Catfish and Teacup Stingray (Common Freshwater Ray) together, plan for an aquarium of at least 750 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.

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: Plants - Densely covered, Plants - Floating, Leaf Litter/Blackwater, Sand (Sifters), Smooth Gravel (Sensitive Barbels). 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 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. False Glass Catfish and Teacup Stingray (Common Freshwater Ray) 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 False Glass Catfish and Teacup Stingray (Common Freshwater Ray) live together?

They can coexist, but the pairing requires careful monitoring. Provide ample space (at least 750 litres), plenty of hiding spots, and watch for signs of stress or aggression.

What size tank do False Glass Catfish and Teacup Stingray (Common Freshwater Ray) need?

A minimum of 750 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 False Glass Catfish and Teacup Stingray (Common Freshwater Ray) together?

Keep the aquarium between 24°C and 28°C. A target of around 26.0°C sits comfortably within both species' preferred ranges.

Are False Glass Catfish or Teacup Stingray (Common Freshwater Ray) aggressive?

False Glass Catfish is peaceful (2/10) and Teacup Stingray (Common Freshwater Ray) 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 False Glass Catfish and Teacup Stingray (Common Freshwater Ray) need?

Both species overlap in the 6–7 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

Editorial Review

Guidarium Editorial Desk

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

Last reviewed
May 4, 2026
Last updated
May 4, 2026
Issues or corrections?
Contact the editorial team

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