Extreme Intraspecific Mitochondrial DNA Sequence Divergence inGalaxias maculatus(Osteichthys: Galaxiidae), One of the World's Most Widespread Freshwater Fish

Phylogeographic evidence for the existence of an ancient biogeographic barrier: the Isthmus of Kra Seaway

“…Previous work on freshwater organisms (Waters and Burridge, 1999;Waters et al, 2000;McDowall, 2002) has highlighted the largely unrecognised role marine dispersal can play in the evolution of some 'freshwater' aquatic taxa. As M. rosenbergii are estuarine dependent, and all life-stages tolerate full marine conditions to varying degrees, a stepping-stone model of gene flow (Kimura and Weiss, 1964) via the marine environment between adjacent estuaries, accompanied by occasional long-distance marine dispersal during favourable conditions may best explain the observed population structure of this species.…”

High male incidence and evolutionary implications of triploid form in northeast Asia Carassius auratus complex

“…The substitution rate was constrained to the extent of 0.5-0.9% divergence per site per million year for freshwater fish mtDNA genes (Martin and Palumbi, 1993;Taylor et al, 1997;Waters and Burridge, 1999;Zardoya and Doadrio, 1999). Two independent runs were performed with 2 Â 10 7 MCMC iterations.…”

Blood cytology of the common jollytail (Galaxias maculatus) (Jenyns, 1842) (Osmeriformes: Galaxiidae) at postlarval and adult stages

“…The wide geographical distribution of this species and its interesting ecological attributes, as well as the existence of diadromic behavior, have attracted the attention of many ichthyologists. There are numerous studies related to different aspects (systematic, biology, natural history, population genetics, etc) of G. maculatus (Campos 1970, McDowall 1970, McDowall 1971, McDowall 1981, McDowall 1984, McDowall 1988, Berra et al 1996, Waters and Burridge 1999, Busse and Möser 2006. However, there are still many unknown biological aspects.…”