Can Altifrons Eartheater and Tiger Shovelnose Catfish Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 11, 2026
Possible with Caution

Keeping Altifrons Eartheater and Tiger Shovelnose Catfish together is possible but requires caution, though some care is needed. Provide a spacious tank of at least 3800 litres with plenty of hiding spots to reduce stress. Monitor behaviour closely, especially during the first few weeks.


At a Glance

Altifrons Eartheater

Geophagus altifrons

Tiger Shovelnose Catfish

Pseudoplatystoma tigrinum

🐠Family Group
Altifrons Eartheater
Cichlids - South American
Tiger Shovelnose Catfish
Catfish
Temperament
Altifrons Eartheater
Mostly Peaceful (4/10)
Tiger Shovelnose Catfish
Semi-Aggressive (6/10)
Temperature
✓ Compatible
Altifrons Eartheater
24–30°C
Tiger Shovelnose Catfish
24–28°C
pH Range
✓ Compatible
Altifrons Eartheater
5–7.5
Tiger Shovelnose Catfish
6–7.5
Hardness (dGH)
✓ Compatible
Altifrons Eartheater
1–10
Tiger Shovelnose Catfish
4–15
Water Type
✓ Compatible
Altifrons Eartheater
Freshwater Only
Tiger Shovelnose Catfish
Freshwater Only
Flow Preference
✓ Compatible
Altifrons Eartheater
Moderate
Tiger Shovelnose Catfish
Moderate
Min Tank Volume
Combined: 3800 L
Altifrons Eartheater
475 L
Tiger Shovelnose Catfish
3800 L
Swimming Level
Shared: 1 zone
Altifrons Eartheater
BottomMiddle
Tiger Shovelnose Catfish
Bottom
🏷️Behavior Tags
Altifrons Eartheater
Digger (Disturbs Substrate)Plant DestroyerHyperactive / Fast SwimmerShrimp EaterFry Predator
Tiger Shovelnose Catfish
Piscivore (Eats small/nano fish)NocturnalJumper (Lid Required)Hyperactive / Fast Swimmer
Stocking calculator

Can your tank handle Altifrons Eartheater and Tiger Shovelnose Catfish?

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.

Altifrons Eartheater
Tiger Shovelnose Catfish
Test both in my tank

Behaviour & Temperament

Altifrons Eartheater is a generally mild-mannered species (4/10), while Tiger Shovelnose Catfish is moderately assertive (6/10). This modest difference means Tiger Shovelnose Catfish may occasionally assert dominance over Altifrons Eartheater.

Altifrons Eartheater and Tiger Shovelnose Catfish 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: Tiger Shovelnose Catfish is nocturnal and will be most active after lights-out, naturally reducing daytime encounters. Also, Tiger Shovelnose Catfish is a known jumper, so a tight-fitting lid is essential.

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 7.5. Maintaining a stable value within this band is more important than hitting an exact number.

For general hardness, the shared comfort zone is 4–10 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Altifrons Eartheater and Tiger Shovelnose Catfish together, plan for an aquarium of at least 3800 litres with a minimum length of 300 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), Driftwood (Digestion/Hiding), Smooth Gravel (Sensitive Barbels). 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. Altifrons Eartheater and Tiger Shovelnose Catfish 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 Altifrons Eartheater and Tiger Shovelnose Catfish live together?

They can coexist, but the pairing requires careful monitoring. Provide ample space (at least 3800 litres), plenty of hiding spots, and watch for signs of stress or aggression.

What size tank do Altifrons Eartheater and Tiger Shovelnose Catfish need?

A minimum of 3800 litres (tank length at least 300 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 Altifrons Eartheater and Tiger Shovelnose Catfish 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 Altifrons Eartheater or Tiger Shovelnose Catfish aggressive?

Altifrons Eartheater is generally mild-mannered (4/10) and Tiger Shovelnose Catfish is moderately assertive (6/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Altifrons Eartheater and Tiger Shovelnose Catfish 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 Tiger Shovelnose Catfish being nocturnal affect compatibility?

Tiger Shovelnose 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 Tiger Shovelnose Catfish during evening hours.

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

Altifrons Eartheater & Aequidens Jenaro Herrera

·

Possible with Caution
Altifrons Eartheater: PeacefulAequidens Jenaro Herrera: Peaceful

Altifrons Eartheater & Bahia Red

·

Possible with Caution
Altifrons Eartheater: PeacefulBahia Red: Peaceful

Altifrons Eartheater & Banded Cichlid

·

Ideal Tank Mates
Altifrons Eartheater: PeacefulBanded Cichlid: Peaceful

Altifrons Eartheater & Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)

·

Possible with Caution
Altifrons Eartheater: PeacefulBarlow's Dwarf Cichlid (Apistogramma Maulbrüter): Peaceful

Altifrons Eartheater & Blue Acara

·

Possible with Caution
Altifrons Eartheater: PeacefulBlue Acara: Peaceful

Altifrons Eartheater & Chocolate Cichlid

·

Possible with Caution
Altifrons Eartheater: PeacefulChocolate Cichlid: Peaceful

Tiger Shovelnose Catfish & Achara Catfish

·

Possible with Caution
Tiger Shovelnose Catfish: PeacefulAchara Catfish: Peaceful

Tiger Shovelnose Catfish & Asian Upside Down Catfish

·

Possible with Caution
Tiger Shovelnose Catfish: PeacefulAsian Upside Down Catfish: Peaceful

Tiger Shovelnose Catfish & Brown Bullhead Catfish

·

Possible with Caution
Tiger Shovelnose Catfish: PeacefulBrown Bullhead Catfish: Peaceful

Tiger Shovelnose Catfish & Bullseye Catfish

·

Possible with Caution
Tiger Shovelnose Catfish: PeacefulBullseye Catfish: Peaceful

Tiger Shovelnose Catfish & Candy Striped Pleco (L015)

·

Possible with Caution
Tiger Shovelnose Catfish: PeacefulCandy Striped Pleco (L015): Peaceful

Tiger Shovelnose Catfish & Channel Catfish

·

Possible with Caution
Tiger Shovelnose Catfish: PeacefulChannel Catfish: Peaceful