Darwin Freshwater Sole 8-10cm

  • Darwin Freshwater Sole: A rare and captivating freshwater flounder, ideal for enthusiasts seeking a unique aquarium addition.
  • Carnivorous Nature: Thrives on live or frozen foods, especially small fish, shrimp, and insects.
  • Solitary Predator: Best kept in a species-only aquarium due to their predatory behavior, providing a sandy substrate to mimic their natural habitat.
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SKU: 0137

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Introduction: Welcome to the fascinating world of the Darwin Freshwater Sole! Also known as the Freshwater Flounder, this unique and captivating fish is a rare find in the aquarium hobby. If you’re looking to keep an extraordinary and uncommon species in your tank, the Darwin Freshwater Sole will undoubtedly be a fascinating addition.

Scientific Name: The Darwin Freshwater Sole is scientifically known as Brachirus selheimi.

Water Quality: Maintaining optimal water conditions is essential for the health and well-being of your Darwin Freshwater Sole. They thrive in clean and well-filtered freshwater.

  • Temperature: Keep the water temperature between 72°F to 82°F (22°C to 28°C).
  • pH Level: Aim for a slightly acidic to neutral pH range of 6.5 to 7.5.
  • GH Level: Maintain a general hardness (GH) between 5 to 15 dGH.
  • KH Level: Keep the carbonate hardness (KH) between 4 to 10 dKH.

Feeding: The Darwin Freshwater Sole is a carnivorous fish and prefers a diet of live or frozen foods such as small fish, shrimp, and insects. Provide them with a varied and protein-rich diet to support their health and vitality.

Tank Mates: Due to their predatory nature, it’s best to keep Darwin Freshwater Soles in a species-only aquarium. They may not be suitable for community setups as they might prey on smaller fish.

Substrates and Tank Decorations: Create a sandy substrate in the aquarium to mimic the natural habitat of the Darwin Freshwater Sole. Smooth rocks and driftwood can be added as minimal decorations to provide hiding spots and mimic their natural environment.

Suitable Plants: As Darwin Freshwater Soles are predominantly bottom-dwelling and prefer open sandy areas, live plants may not be the best option for their tank.

Sexing: Sexing adult Darwin Freshwater Soles can be challenging, as there are no prominent external differences between males and females.

Breeding: Breeding the Darwin Freshwater Sole in captivity is a rare occurrence, and specific conditions and triggers may be required for successful reproduction.

Maximum Size and Longevity: The Darwin Freshwater Sole can grow up to 4 to 6 inches (10 to 15 cm) in length. With proper care, they can live for approximately 3 to 5 years, making them a unique and captivating addition to your aquarium.

General Information: The Darwin Freshwater Sole is a master of camouflage, blending seamlessly with its sandy environment, and patiently waiting for prey to approach.

A Fun Fact: These fish have fascinating asymmetrical eyes that help them adapt to their bottom-dwelling lifestyle, with both eyes located on one side of their body.

Discover the intrigue of the Darwin Freshwater Sole as it glides gracefully along the aquarium bottom, showcasing its exceptional camouflage and captivating behavior. Keeping this extraordinary and uncommon species will undoubtedly provide a unique and rewarding experience for any dedicated aquarium enthusiast.


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