Can Dwarf Green Pike Cichlid and Swordtail Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 4, 2026
Not Recommended

Dwarf Green Pike Cichlid and Swordtail are not recommended as tank mates due to incompatible hardness ranges. Housing these species together is likely to result in stress, health problems, or direct harm to one or both fish.


At a Glance

Dwarf Green Pike Cichlid

Crenicichla compressiceps

Swordtail

Xiphophorus hellerii

🐠Family Group
Dwarf Green Pike Cichlid
Cichlids - South American
Swordtail
Livebearers
Temperament
Dwarf Green Pike Cichlid
Aggressive (7/10)
Swordtail
Mostly Peaceful (4/10)
Temperature
✓ Compatible
Dwarf Green Pike Cichlid
24–28°C
Swordtail
21–28°C
pH Range
✓ Compatible
Dwarf Green Pike Cichlid
5.5–7
Swordtail
7–8.3
Hardness (dGH)
✗ No overlap
Dwarf Green Pike Cichlid
1–10
Swordtail
12–30
Water Type
✓ Compatible
Dwarf Green Pike Cichlid
Freshwater Only
Swordtail
Brackish Tolerant
Flow Preference
✓ Compatible
Dwarf Green Pike Cichlid
High
Swordtail
Moderate
Min Tank Volume
Combined: 130 L
Dwarf Green Pike Cichlid
130 L
Swordtail
110 L
Swimming Level
Shared: 1 zone
Dwarf Green Pike Cichlid
BottomMiddle
Swordtail
TopMiddle
🏷️Behavior Tags
Dwarf Green Pike Cichlid
Piscivore (Eats small/nano fish)Shrimp EaterAggressive to same species/look-alikesTerritorial (Defends specific area)Hyperactive / Fast SwimmerJumper (Lid Required)
Swordtail
Hyperactive / Fast SwimmerJumper (Lid Required)Fry Predator
Stocking calculator

Can your tank handle Dwarf Green Pike Cichlid and Swordtail?

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.

Dwarf Green Pike Cichlid
Swordtail
Test both in my tank

Behaviour & Temperament

Dwarf Green Pike Cichlid is a semi-aggressive species (7/10), while Swordtail is generally mild-mannered (4/10). This modest difference means Dwarf Green Pike Cichlid may occasionally assert dominance over Swordtail.

Dwarf Green Pike Cichlid and Swordtail both frequent the Middle (Open Water) 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: Dwarf Green Pike Cichlid 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 7 and 7. Maintaining a stable value within this band is more important than hitting an exact number.

Hardness requirements are incompatible: Dwarf Green Pike Cichlid needs 1–10 dGH while Swordtail requires 12–30 dGH.

Tank Setup

To house Dwarf Green Pike Cichlid and Swordtail together, plan for an aquarium of at least 130 litres with a minimum length of 90 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), Driftwood (Digestion/Hiding), Plants - Densely covered. 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

Dwarf Green Pike Cichlid and Swordtail 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 Dwarf Green Pike Cichlid and Swordtail.

Show 9 more tank sizes

Frequently Asked Questions

Can Dwarf Green Pike Cichlid and Swordtail live together?

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

What size tank do Dwarf Green Pike Cichlid and Swordtail need?

A minimum of 130 litres (tank length at least 90 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 Dwarf Green Pike Cichlid and Swordtail 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 Dwarf Green Pike Cichlid or Swordtail aggressive?

Dwarf Green Pike Cichlid is semi-aggressive (7/10) and Swordtail is generally mild-mannered (4/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Dwarf Green Pike Cichlid and Swordtail need?

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

How do I manage Dwarf Green Pike Cichlid's territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Dwarf Green Pike Cichlid 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 4, 2026
Last updated
May 4, 2026
Issues or corrections?
Contact the editorial team

Related Comparisons