Artikel:
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Darwin, Jenyns, and the Chanchito, (2006)
A fascinating story behind the Chanchito, Australoheros facetus discovery and description. Involving some of the most famous characters in Natural History. A must read by all interested in natural history.
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Our First Aquarium Cichlid, (2005)
Al traces down the oldest known records of cichlid keeping to the times of the oldest egypcians and explain the results of his research, what was the first cichlid spcies kept in aquarium?.