Can Deep Water Hap (Placidochromis electra) and Platinum Hatchet Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 7, 2026
Not Recommended

Deep Water Hap (Placidochromis electra) and Platinum Hatchet 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

Deep Water Hap (Placidochromis electra)

Placidochromis electra

Platinum Hatchet

Thoracocharax stellatus

🐠Family Group
Deep Water Hap (Placidochromis electra)
Cichlids - African
Platinum Hatchet
Characins
Temperament
Deep Water Hap (Placidochromis electra)
Semi-Aggressive (5/10)
Platinum Hatchet
Peaceful (1/10)
Temperature
✓ Compatible
Deep Water Hap (Placidochromis electra)
24–28°C
Platinum Hatchet
23–28°C
pH Range
✗ No overlap
Deep Water Hap (Placidochromis electra)
7.8–8.6
Platinum Hatchet
5.5–7.5
Hardness (dGH)
✓ Compatible
Deep Water Hap (Placidochromis electra)
10–25
Platinum Hatchet
1–12
Water Type
✓ Compatible
Deep Water Hap (Placidochromis electra)
Freshwater Only
Platinum Hatchet
Freshwater Only
Flow Preference
✓ Compatible
Deep Water Hap (Placidochromis electra)
Moderate
Platinum Hatchet
Moderate
Min Tank Volume
Combined: 280 L
Deep Water Hap (Placidochromis electra)
280 L
Platinum Hatchet
110 L
Swimming Level
✓ Different zones
Deep Water Hap (Placidochromis electra)
MiddleBottom
Platinum Hatchet
Top
🏷️Behavior Tags
Deep Water Hap (Placidochromis electra)
Digger (Disturbs Substrate)Territorial (Defends specific area)Fry PredatorHyperactive / Fast Swimmer
Platinum Hatchet
Jumper (Lid Required)Shy / Slow Moving (Easily Stressed)Hyperactive / Fast Swimmer
Stocking calculator

Can your tank handle Deep Water Hap (Placidochromis electra) and Platinum Hatchet?

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.

Deep Water Hap (Placidochromis electra)
Platinum Hatchet
Test both in my tank

Behaviour & Temperament

Deep Water Hap (Placidochromis electra) is a moderately assertive species (5/10), while Platinum Hatchet is peaceful (1/10). This notable difference means Deep Water Hap (Placidochromis electra) may occasionally assert dominance over Platinum Hatchet.

In terms of spatial distribution, Deep Water Hap (Placidochromis electra) prefers the Middle (Open Water) and Bottom (Substrate) zones, whereas Platinum Hatchet occupies the Top (Surface) 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.

Worth noting: Platinum Hatchet 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.

The pH requirements of Deep Water Hap (Placidochromis electra) (7.8–8.6) and Platinum Hatchet (5.5–7.5) do not overlap, making it impossible to satisfy both species simultaneously.

For general hardness, the shared comfort zone is 10–12 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Deep Water Hap (Placidochromis electra) and Platinum Hatchet together, plan for an aquarium of at least 280 litres with a minimum length of 120 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), Plants - Floating. 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

Deep Water Hap (Placidochromis electra) and Platinum Hatchet 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 Deep Water Hap (Placidochromis electra) and Platinum Hatchet.

Show 1 more tank size

Frequently Asked Questions

Can Deep Water Hap (Placidochromis electra) and Platinum Hatchet live together?

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

What size tank do Deep Water Hap (Placidochromis electra) and Platinum Hatchet need?

A minimum of 280 litres (tank length at least 120 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 Deep Water Hap (Placidochromis electra) and Platinum Hatchet 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 Deep Water Hap (Placidochromis electra) or Platinum Hatchet aggressive?

Deep Water Hap (Placidochromis electra) is moderately assertive (5/10) and Platinum Hatchet is peaceful (1/10). The gap in aggression levels means the calmer fish may experience stress from the more assertive one.

What pH do Deep Water Hap (Placidochromis electra) and Platinum Hatchet need?

Their pH requirements do not overlap. Deep Water Hap (Placidochromis electra) prefers 7.8–8.6, while Platinum Hatchet needs 5.5–7.5. This makes them incompatible in the same water chemistry.

How do I manage Deep Water Hap (Placidochromis electra)'s territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Deep Water Hap (Placidochromis electra) 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 7, 2026
Last updated
May 7, 2026
Issues or corrections?
Contact the editorial team

Related Comparisons

Deep Water Hap (Placidochromis electra) & African Butterfly Cichlid

·

Not Recommended
Deep Water Hap (Placidochromis electra): PeacefulAfrican Butterfly Cichlid: Peaceful

Deep Water Hap (Placidochromis electra) & Altolamprologus Calvus

·

Possible with Caution
Deep Water Hap (Placidochromis electra): PeacefulAltolamprologus Calvus: Peaceful

Deep Water Hap (Placidochromis electra) & Altolamprologus Compressiceps

·

Possible with Caution
Deep Water Hap (Placidochromis electra): PeacefulAltolamprologus Compressiceps: Peaceful

Deep Water Hap (Placidochromis electra) & Aurora Yellow Mbuna

·

Possible with Caution
Deep Water Hap (Placidochromis electra): PeacefulAurora Yellow Mbuna: Peaceful

Deep Water Hap (Placidochromis electra) & Blue Dolphin (Hap)

·

Possible with Caution
Deep Water Hap (Placidochromis electra): PeacefulBlue Dolphin (Hap): Peaceful

Deep Water Hap (Placidochromis electra) & Buccochromis lepturus

·

Possible with Caution
Deep Water Hap (Placidochromis electra): PeacefulBuccochromis lepturus: Peaceful

Platinum Hatchet & Black Neon Tetra

·

Possible with Caution
Platinum Hatchet: PeacefulBlack Neon Tetra: Peaceful

Platinum Hatchet & Bloodfin Tetra

·

Possible with Caution
Platinum Hatchet: PeacefulBloodfin Tetra: Peaceful

Platinum Hatchet & Congo Tetra

·

Possible with Caution
Platinum Hatchet: PeacefulCongo Tetra: Peaceful

Platinum Hatchet & Glass Bloodfin Tetra

·

Possible with Caution
Platinum Hatchet: PeacefulGlass Bloodfin Tetra: Peaceful

Platinum Hatchet & Green Fire Tetra

·

Possible with Caution
Platinum Hatchet: PeacefulGreen Fire Tetra: Peaceful

Platinum Hatchet & Head and Tail Light Tetra

·

Possible with Caution
Platinum Hatchet: PeacefulHead and Tail Light Tetra: Peaceful