discovery
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BRAZIL: Discusfishes from Nhamundà. Part 1
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BRAZIL: Discusfishes from Nhamundà. Part 2
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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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HEPSETUS: Hepsetus – African pike in nature and aquarium
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INDONESIA: Fishes from Molluccas Islands
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MEXICO: Fishes and biotopes from the Pacific Coast
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POLYNEMUS: Polynemus paradiseus – paradise threadfins in nature and aquarium