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Congo Pufferfish: The freshwater fish that looks like a tomato

Scientists and aquarists are amazed as the bright red Congo pufferfish resembles an heirloom tomato in both colour and shape.

November 03, 2025 / 11:22 IST
Congo Pufferfish: The Freshwater Fish That Looks Like a Tomato (Image: Canva)

The Congo pufferfish has vivid red colours with round shape. Its unusual appearance has amazed aquarists worldwide recently. Social media shares have helped it gain widespread recognition quickly.

Its plump, tomato-like body is both unusual and captivating. Scientists and fish enthusiasts are intrigued by this freshwater oddity.

Where and How It Lives?

This fish inhabits rivers in Central Africa’s Congo Basin. It prefers sandy or rocky river bottoms for hiding. These environments allow it to ambush unsuspecting prey efficiently. The fish often buries itself to remain completely invisible underwater. It thrives in calm waters with moderate flow patterns.

Carnivorous Diet and Hunting Behaviour

Congo puffers feed on small fish, insects, and crustaceans daily. They rely on stealth instead of active chasing for hunting. Their strong jaws help crack shells of crustacean prey effectively. Hunting strategy is influenced by their slow but sudden strike pattern. This behaviour ensures survival in competitive freshwater ecosystems.

Science behind their bright red color

The bright red hue varies slightly depending on environment conditions. Bright red colour is a helping sign to other puffers of any danger or hide from predators. Some individuals can adjust shade for camouflage or mood indication.

Genetic factors primarily determine base colour alongside environmental influences. Its tomato-like colour makes it visually unforgettable to observers.

Its significance to science 

Congo puffers showcase the diversity of freshwater fish worldwide today. Its behaviour informs conservation efforts in threatened Congo habitats. Fish lovers are fascinated by keeping such a rare, unusual species.

Its viral appearance highlights overlooked biodiversity in global freshwater ecosystems. Scientists believe these discoveries inspire interest in aquatic research.

first published: Nov 3, 2025 11:22 am

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