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By Ramón Carmona, Alberto Domezain, Manuel García Gallego, José Antonio Hernando, Fernando Rodríguez, Manuel Ruiz-Rejón

Sturgeons are thought of “living fossils”, sharing many morphological and organic beneficial properties with ancestral fish. moreover, sturgeons are of the maximum curiosity from an financial point of view, not just for the caviar yet for the flesh. although, the wild populations of nearly all of the species are at severe probability of extinction world wide. So, it really is pressing to increase concepts for either farming tradition and conservation and restoration in average habitats.

This publication presents a finished view of the biology and sustainable improvement of sturgeons placing emphasis at the Southern Europe autochthonous species reminiscent of Acipenser nacarii and Acipenser sturio that percentage geographical distribution. different proper species (such as Huso huso, A. oxyrhinchus, A. ruthenus, A. stellatus) and parts (Germany, Russia, North the United States) also are thought of. The contents are organised in 3 sections: Taxonomy and Biogeography (including the morphological and genetic analyses that make clear the taxonomy and phylogeny of sturgeons, all in favour of these from Southern Europe), Biology and Aquaculture (where numerous features of the developmental biology, feeding, and copy are thought of when it comes to the development of sturgeon farming), and restoration and Conservation (that collates and analyses varied restoration examine activities, the ecology of the rivers for recovery in addition to the issues with regards to the alternate of caviar).

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Extra resources for Biology, Conservation and Sustainable Development of Sturgeons

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2001): one clade comprised of the species of the subfamily Scaphirhynchinae (Scaphirhynchus and Pseudoscaphirhynchus), one clade composed of the sturgeon A. sturio and A. oxyrinchus, one made up of the Pacific species of Acipenser and Huso (A. medirostris, A. mikadoi, A. schrenckii, A. transmontanus, A. sinensis and H. dauricus) and another clade containing the Atlantic species of Acipenser and Huso (A. gueldenstaedtii, A. naccarii, A. persicus, A. baerii, A. brevirostrum, A. fulvescens, A. nuvidentris, A.

Nat. Mem. Serie B. 102, 1–2. Billard, R. 2002. Esturgeons et caviar. Lavoisier, Paris, 298 pp. , Lepage, M. (2008). Sturgeon recovery plan in the Rhône River (France). Preliminary results on species determination and habitat suitability. ). Biology, Conservation and Sustainable Development of Sturgeons. , pp (to be completed by the publishers). B. 1869. Catalogo dos peixes do Portugal que existem do Museu de Lisboa. Jorn. Sci. Math Phys. Nat. 1a serie, 2, 131–193. B. 1880. Catalogo do peixes do Portugal.

This order has two families—that of the paddlefishes (family Polyodontidae), with two extant representative species of the genera Polyodon (Polyodon spathula) and Psephurus (Psephurus gladius), and that of the sturgeons (family Acipenseridae). Within the family Acipenseridae, there are 25 species included in four genera (Acipenser with 17 species, Huso with 2 species, Scaphirhynchus with 3 species and Pseudoscaphirhynchus with 3 species). The genera Acipenser and Huso comprise the subfamily Acipenserinae and the genera Scaphirhynchus and Pseudoscaphirhynchus constitute the subfamily Scaphirhynchinae.

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