Download PDF by Lionel Cavin: Freshwater Fishes: 250 Million Years of Evolutionary History

By Lionel Cavin

With greater than 15,000 species, approximately 1 / 4 of the complete variety of vertebrate species on the earth, freshwater fishes are super assorted. They contain the most important fish species, the beluga at over 7 meters lengthy, and the smallest, the Paedocypris at simply eight millimeters, in addition to the carnivorous, reminiscent of the piranha, and the calm, equivalent to the chinese language algae eater. sure species evolve swiftly, cichlids for instance, whereas others remodel very slowly, like lungfish. The fossils of those animals are very assorted in nature, occasionally simply small scattered bones the place websites correspond to old river beds or fantastic fossils of complete fish the place there has been as soon as a lake.

This ebook covers the background of those fishes during the last 250 million years by means of exploring the hyperlinks among their organic evolution and the paleogeographic and environmental changes of our planet, even if those be sluggish or surprising.

  • Gathers and synthetizes information from an enormous variety of guides relating to previous freshwater assemblages and a number of other fish lineages that invaded freshwaters
  • Describes the paintings of the author's personal group, referring to fauna from the Cretaceous of France, Morocco, and Thailand
  • Presents the new result of the pace of diversification in freshwater environments and the evolutionary histories of clades and gar lineages

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Freshwater Fishes: 250 Million Years of Evolutionary History (Vertebrate Palaeobiology and Palaeoenvironments) by Lionel Cavin

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