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- W209122089 abstract "Eight species of the genus Galaxias are found to berepresented in Tasmania. The taxonomy, meristic and morphometricvariation of each species is examined and data on thedistribution, life history and ecology of each species arepresented together with references and synonomy.Excluding the two genera Paragalaxias and Brachygalaxias,which are outside the scope of the present work, a total oftwelve species and one subspecies in two genera, Galaxias andSaxilaga, have been recorded from Tasmania at the time of writing.G. scopus Scott is shown to be a synonym of G. truttaceusValenciennes while G. affinis Regan and G. coxii Macleay arefound to be synonyms of G. brevipinnis Ganther, which is recordedfor the first time from the Australian mainland. The two speciescurrently referred to the genus Saxilaga Scott, together withG. upcheri Scott, are found to represent one species only. Asthis species appears to possess no features which warrant genericseparation from Galaxias the species is accordingly referred tothat genus. The genus Saxilaga Scott thus comes to be abandoned.The type locality of G. auratus is shown to be LakeSorell and the type locality of G. upcheri is more accuratelydefined than has been done by previous writers.The Tasmanian galaxiid fauna is broadly divisible intotwo groups based on life history and ecology patterns. The firstgroup comprises the wide ranging diadromous species which inhabitthe coastal areas, including the offshore islands, and are alsofound on the Australian mainland. The second group of speciesis largely restricted to specialised lacustrine and fluviatileareas of the inland and central region. In some cases howeverconsiderable overlap in the ranges of both groups is evident, 2.as in the case of G. brevipinnis, in which both diadromous andlacustrine populations were found to occur.The Tasmanian members of the genus Galaxias were foundto be divisible into four species groups. The first group consistsof G. maculatus and G. cleaveri. The second group consistsof G. truttaceus and the closely related species G. auratus.The third group contains the single species G. brevipinnis whilethe last group comprises the three inland species G. johnstoni,G. pedderensis and G. parvus.The Tasmanian galaxiid fauna is compared and contrastedwith the galaxiid faunas of Australia and New Zealand and thedistribution patterns and zoogeographic considerations are discussed." @default.
- W209122089 created "2016-06-24" @default.
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- W209122089 date "1973-01-01" @default.
- W209122089 modified "2023-09-27" @default.
- W209122089 title "A revision of the Genus Galaxias : (Pisces: Galaxiidae) in Tasmania" @default.
- W209122089 hasPublicationYear "1973" @default.
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