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N°47 - novembre / décembre 2008
December 2008
- Another step towards domestication of the Amazonian giant fish
The Amazon and its tributaries harbour nearly one-tenth of the world’s biodiversity of freshwater fish. Among the 2500 species recorded, Arapaima gigas is one of the most emblematic.
In Brazil it is better known as the pirarucu, in Peru as the paiche, and is one of the largest species of freshwater fish. Some specimens can reach 4 m in length with a weight of 200 kg.
This graceful predator has become a victim of over-fishing, however, and figures on the IUCN Red List of Threatened Species.
- Interview with Bernard Delay,
Bernard Delay chairs the Fondation pour la recherche sur la biodiversité, an institution set up in 2008 with the participation of eight scientific organizations including the IRD
Towards domestication of the largest fish in the Amazon
October 2008
The Amazon and its tributaries are home to almost one tenth of the world’s freshwater fish biodiversity, 2500 species being recorded. The giant fish Arapaima gigas is one of the most emblematic of these. However, this graceful predator is a victim of overfishing, and is now on the IUCN Red List ...
Learn moreTowards domestication of the largest fish in the Amazon
Rock art marks transformations in traditional Peruvian societies
June 2008
Peru is one of the Latin American countries, like Argentina and Brazil, where rock art is thought to have developed throughout a period stretching from 10 000 BC to 1500 AD. The wealth and diversity of the series of pictorial representations made during this period are now beginning to be ...
Learn moreRock art marks transformations in traditional Peruvian societies
Present-day species of piranhas result from a marine incursion into the Amazon Basin
November 2007
The factors that lead to the appearance of new species are still insufficiently understood for a great many animals. However, it is easier to trace back the evolutionary history of those whose biogeographical distribution is well known. This is the case for piranhas for which the whole range of ...
Learn morePresent-day species of piranhas result from a marine incursion into the Amazon Basin
The fisherman is a predator like any other
March 2007
Most commercial fishing vessels today are equipped with satellite monitoring indicators which transmit their real-time positions to the bodies that control and manage fisheries. The fleet that fishes the Peruvian anchovy (Engraulis ringens) is an example. It is the world’s largest single-species ...