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By Takaomi Arai

Anguillid eels have interested biologists for hundreds of years as a result of their superb long-distance migrations among freshwater habitats and their spawning components some distance out within the ocean. This booklet presents an extended late replace at the biology and ecology of anguillid eels and contours entire insurance of the main beneficial properties of the genus Anguilla. It covers a huge spectrum of themes at the biology (taxonomy, phylogeny, evolution, replica, feeding, salinity version) and ecology (life heritage, recruitment, migration) of anguillid eels. It additionally brings jointly very important details at the nation of eel fisheries, conservation, exploitation, and management.

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Extra resources for Biology and ecology of anguillid eels

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Chapman & Hall Press, London, UK. C. 1979. Biogeography. John Wiley and Sons, New York. , M. A. Lanteri and L. Roque Albelo. 2008. Nuclear and mitochondrial sequences confirm complex colonization patterns and clear species boundaries for flightless weevils in the Galápagos archipelago Philos. Trans. R. Soc. Lond. B Biol. Sci. 363: 3439–3451. G. M. Funnell. 1994. Atlas of Mesozoic and Cenozoic Coastlines. Cambridge University Press, New York. , G. Gentili and S. Cataudella. 1980. Eel chromosomes: cytotaxonomical interrelationships and sex chromosomes.

In the case of the European eel, the RAD approach has been used to generate a resource of over 350,000 SNPs (Pujolar et al. 2013a), which has been used to provide conclusive evidence for genomic panmixia in the European eel and to test for signatures of selection in the genome (Pujolar et al. 2014a), to study hybridization between the European and the American eel (Pujolar et al. 2014b) and, to study speciation between North Atlantic eels (Jacobsen et al. 2014b). The revolution in NGS methods has also allowed the sequencing and annotation of the first eel transcriptome (Coppe et al.

Phylogenetic analysis and divergence time estimation based on whole mitogenome sequences from various actinopterygians indicated that P. palau is one of the most primitive and independent lineages of true eels. 6 Mya) and suggests that the origin of Anguilliformes should be about 200–250 Mya (Fig. 1). Fossil records of the genus Anguilla have been found in Europe from the Eocene epoch (Ypresian, about 50–55 Mya) (Patterson 1993). Nevertheless, according to mitochondrial analyses using the molecular clock for bony fishes calibrated by Kumazawa et al.

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