Giant Pikehead

Boulengerella cuvieri

Giant Pikehead (Boulengerella cuvieri) — Varies care, Peaceful, under Other. Minimum tank in the app: 36 US gal min; aim for 72–79°F and pH 6.5–7.5. The Giant Pikehead is a captivating choice for those wanting a semi-aggressive species that thrives in mid-water.

Giant Pikehead (Boulengerella cuvieri) in a planted freshwater aquarium
Care levelVaries
TemperamentPeaceful
Min tank size36 US gal min
pH range6.5–7.5
Temperature72–79°F
Max size7.9 in (20.0 cm)
Captive lifespan10–18 years
SchoolingNo

Captive lifespan reflects typical experience in a home aquarium, not maximum recorded age; genetics, sourcing, and care vary.

Natural distribution

South America

  • South America

Regional colours match the stocking calculator’s origin map.

Giant Pikehead Tank Setup

Create a balanced tank environment by providing both open swimming areas and structured cover, such as driftwood or rocks, to reduce territorial disputes. Moderate water flow is beneficial, and a sandy or fine substrate allows for natural behaviour. Lighting should mimic natural conditions, avoiding extremes that could stress the fish.

What Do Giant Pikeheads Eat?

Giant Pikeheads are omnivorous and can be competitive feeders, so offering a varied diet with both protein-rich and plant-based foods is crucial for their health and vibrant coloration. Monitor feeding times; ensuring all fish receive adequate nutrition without aggressive competition is vital.

Giant Pikehead Tank Mates

Ideal tank mates include similarly sized, semi-aggressive species that occupy different vertical zones to minimize territorial conflicts. Caution should be taken with smaller or overly docile fish, as they may become targets. Intraspecies interactions generally require ample space to avoid aggression, even though they are not shoaling fish.

Are Giant Pikeheads Good for Beginners?

Care demand varies with setup and individual fish; use the numbers above as your baseline. Aquarists often underestimate the importance of space and environmental complexity, leading to stress-induced aggression or territorial disputes. Inadequate tank size or poor layout can exacerbate these issues, resulting in an unhealthy environment for the Giant Pikehead.

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