Category Archives: Natural aquariums

low-tech natural aquariums

Aquariums and Ecosystem Mutilation Business

A semi-natural aquarium in our kitchen (100x40x40cm) without heater and filter.

Thanks to my aquarium hobby, I became aware of ecosystem mutilation business already as I was a 11 year-old boy, though I couldn’t name it then very clearly. Ecosystem mutilation business is about destroying self-sufficient and sustainable ecosystems in order … Continue reading

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Impressions from my Bolivia journey in 2007, part 1

Hot water lake in Robore, Bolivia

Impressions from my Bolivia journey in January 2007, organized by the retired Swiss biologist Robert Guggenbühl. Our travel group consisted of botanists, nature lovers and some passionate aquarium hobbyists. Passing from places like St Cruz, Robore, Trinidad, Magdalena and Bella … Continue reading

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Indoor plants for water purification and nitrate reduction in aquariums

Umbrella papyrus (Cyperus alternifolius) in a lowtech natural aquarium (see biotope in my room)

Ecology of the Planted Aquarium written by Diana Walstad is one of the books which inspired me most for low-tech natural aquariums. Diana Walstad explains why emergent plants are better water purifiers than the submerged water plants as follows (in … Continue reading

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Wild form angelfish (Pterophyllum scalare)

Columbian angelfish (Pterophyllum scalare)

As a student in Turkey I was every time taken aback when I read in aquarium books and magazines that angelfish (Pterophyllum scalare) was one of the most popular aquarium fish. All the selective-bred angelfish races I saw in aquarium … Continue reading

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A pair of peacock bass (Cichla ocellaris) guarding their eggs in Bella Vista, Bolivia (video)

Male peacock bass (Cichla ocellaris) seen from the underwater camera

In January of 2007, I joined a three-week expedition in the Beni region of Bolivia which was organized by the Swiss biologist Robert Guggenbühl. It was rainy season in Bolivia. Water levels had risen 6 meters or more. A pair … Continue reading

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