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By Takaomi Arai

Anguillid eels have involved biologists for hundreds of years because of their superb long-distance migrations among freshwater habitats and their spawning parts some distance out within the ocean. This booklet presents a protracted late replace at the biology and ecology of anguillid eels and lines complete assurance of the major positive aspects of the genus Anguilla. It covers a huge spectrum of subject matters at the biology (taxonomy, phylogeny, evolution, replica, feeding, salinity version) and ecology (life heritage, recruitment, migration) of anguillid eels. It additionally brings jointly vital details at the kingdom of eel fisheries, conservation, exploitation, and management.

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Extra resources for Biology and ecology of anguillid eels

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2009) re-examined previous AFLP data from the study of Albert et al. (2006). They concluded that hybridization was likely shaped by selection, both at the intra- and inter-specific level. Later, Gagnaire et al. (2012a), although focusing more on selection (see later), suggested a possible cyto-nuclear incompatibility between North Atlantic eels. Signatures of positive selection were found in both the mitochondrial ATP6 gene and its nuclear receptor. The authors pointed to a possible incompatibility in hybrids showing the American mitochondrial ATP6 gene and the European receptor or vice-versa, which could explain the partial reproductive isolation between North Atlantic eels.

2010. Allopatric divergence and speciation in coral reef fish: the three-spot dascyllus, Dascyllus trimaculatus, species complex. Evolution 64: 1218–1230. P. S. Tzeng. 2001. A phylogeny of freshwater eels inferred from mitochondrial genomes. Mol. Phylogenet. Evol. 20: 252–261. P. M. S. Tzeng. 2002. Molecular techniques to identify freshwater eels: RFLP analyses of PCR-amplified DNA fragments and allele-specific PCR from mitochondrial DNA. Zool. Stud. 41: 421–430. Mayr, E. 1954. Change of genetic environment and evolution.

Rostrata and A. japonica have similar adult-phase morphological characteristics and rest in temperate water, their mitochondrial DNA (Minegishi et al. 2005) (Fig. 2b) and microsatellite flanking regions (Tseng 2012) suggest that A. japonica is not clustered with other temperate eels in the phylogenetic tree. It is interesting that inconsistent morphological and molecular phylogenetic trees cover A. australis and A. japonica. In brief, A. rostrata, A. anguilla, A. australis, and A. dieffenbachii Species number 7 species Bastrop et al.

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