biology
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AUSTRALIA: Australia’s Outback. Part 1
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AUSTRALIA: Australia’s Outback. Part 2
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AUSTRALIA: Australia’s Outback. Part 3
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AUSTRALIA: Australia’s Outback. Part 4
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BICHIR: Polypterus – species biology, habitat and distribution
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BRAZIL: Discusfishes from Nhamundà. Part 1
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BRAZIL: Discusfishes from Nhamundà. Part 2
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BRAZIL: Igarapé Sauvaudaua, Part 1
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BRAZIL: Igarapé Sauvaudaua, Part 2
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BRAZIL: Miniature fishes from blackwater Aracà
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BRAZIL: New aquarium fishes caught in Itapiranga. Part 1
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BRAZIL: New aquarium fishes caught in Itapiranga. Part 2
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BRAZIL: Rio Verde. Part 1
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BRAZIL: Rio Verde. Part 2
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CHINA: China’s fascinating cave fishes. Part 1
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CHINA: China’s fascinating cave fishes. Part 2
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CHINA: Collecting in Li River, Guilin province
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COLOMBIA: Pterophyllum altum from Rio Atabapo
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COLOMBIA: Río Apaporis – a cornucopia of new species, Part 1
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COLOMBIA: Searching for fish in the caños of the Río Taraira
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DISCUS: Definitive Discus Guide – BIOTOPE AQUARIUM
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DISCUS: Definitive Discus Guide – HYBRIDIZATION IN NATURE
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DISCUS: Definitive Discus Guide – MATES IN NATURE
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DISCUS: The History of Discus – FIRST DISCOVERY. Part 2
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ELEPHANT FISH: The definite guide for Elephant fishes – Mormyridae. Part 1
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ELEPHANT FISH: The definite guide for Elephant fishes – Mormyridae. Part 2
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ELEPHANT FISH: The definite guide for Elephant fishes – Mormyridae. Part 3
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ELEPHANT FISH: The definite guide for Elephant fishes – Mormyridae. Part 4
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ETHIOPIA: The Omo River Expedition. Part 1
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ETHIOPIA: The Omo River Expedition. Part 2