Black Piranha Serrasalmus rhombeus 10-12cm

The Black Piranha is one of the most iconic predatory fish in the hobby, known for its powerful jaw structure, deep?bodied shape, and shimmering silver?to?charcoal colouration. Originating from the Amazon and Orinoco basins, this species is highly sought after by experienced aquarists who appreciate its impressive presence and solitary nature.
This is a true showpiece fish for a dedicated single?species setup.

 Key Features
• Striking silver?black body with red or gold undertones
• Powerful, iconic jaw structure
• Best kept solo due to territorial behaviour
• Grows large and becomes a true centrepiece fish
• Ideal for experienced fishkeepers
• Long?lived and highly intelligent

Care Requirements
Water Parameters
• Temperature: 24–28°C
• pH: 6.0–7.5
• Hardness: Soft to medium
• Minimum tank size: 250–300 litres for a single adult

Diet
• Carnivorous
• Accepts:
• High?quality meaty foods
• Frozen fish, prawns, mussels
• Occasional pellets designed for predatory species
• Feed responsibly and avoid live feeder fish
Behaviour
• Solitary and highly territorial
• Best kept alone
• Intelligent and responsive to keepers
• Requires a secure lid and stable environment

Why We Picked Them
The Black Piranha is a legendary species — powerful, striking, and full of personality. For experienced aquarists, it offers a unique opportunity to keep one of the most impressive predatory fish in the hobby. Its commanding presence and shimmering dark colouration make it a true display animal.