Description and redescription of<i>Galaxias</i>species (Teleostei: Galaxiidae) from Otago and Southland

McDowall, R. M.; Wallis, Graham P.

doi:10.1080/03014223.1996.9517518

Cited by 66 publications

(57 citation statements)

References 36 publications

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“…3). These, too, differ from described species (Stokell 1949(Stokell , 1959McDowall 1970;McDowall & Wallis 1996), as well as from G. pullus.…”

Section: Fig 2 Phenogram (To the Left Of Stream Names) Showing Clustmentioning

confidence: 75%

“…Galaxias vulgaris species-group; allocation of populations to species is shown to the right (scale indicates Nei (1972) genetic distance based on 9 loci, adapted in the light of both the present paper and McDowall and Wallis (1996), from Allibone et al (1995), where a detailed explanation of the derivation of this figure may be found. Type localities are shown in bold; * indicates tributaries of the Taieri River system.…”

Section: Fig 2 Phenogram (To the Left Of Stream Names) Showing Clustmentioning

confidence: 99%

“…Genetic differences Allibone et al (1995) and McDowall & Wallis (1996) reported on studies of the genetics of nine isozymes in populations of the G. vulgaris species-group. They showed that G. vulgaris, G. anomalus, and G. depressiceps are greatly different genetically, and it was partly as a result of these differences that the three species were treated as distinct (McDowall & Wallis 1996).…”

Section: Journal Of the Royal Society Of New Zealand Volume 27 1997mentioning

confidence: 99%

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Two further new species ofGalaxias(Teleostei: Galaxiidae) from the Taieri River, southern New Zealand

McDowall

1997

Journal of the Royal Society of New Zealand

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Two new species of Galaxias have overlapping distributions in the lower Taieri River catchment, Otago, although not as yet found in sympatry. Galaxias pullus n.sp. is known from several tributaries of the Waipori River up-and downstream of Lake Mahinerangi, and also from a tributary of the Waitahuna, part of the Clutha River catchment. Galaxias eldoni n.sp. comes from several small tributaries of the lower Taieri near Outram and Middlemarch, from a tributary of the Waipori River below Lake Mahinerangi, from a tributary of the lake, and also a west branch tributary of the Tokomairiro River. These new species belong within the Galaxias vulgaris speciesgroup, which otherwise includes the nominate species, G. anomalus and G. depressiceps. Most populations of this species-group south of the Waitaki River are not G. vulgaris (sensu stricto), but belong to one of four other species now recognised from the region. The known distributions probably reflect a combination of incomplete knowledge and fragmentation of ranges resulting from the effects of introduced species.

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“…3). These, too, differ from described species (Stokell 1949(Stokell , 1959McDowall 1970;McDowall & Wallis 1996), as well as from G. pullus.…”

Section: Fig 2 Phenogram (To the Left Of Stream Names) Showing Clustmentioning

confidence: 75%

Section: Fig 2 Phenogram (To the Left Of Stream Names) Showing Clustmentioning

confidence: 99%

Section: Journal Of the Royal Society Of New Zealand Volume 27 1997mentioning

confidence: 99%

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Two further new species ofGalaxias(Teleostei: Galaxiidae) from the Taieri River, southern New Zealand

McDowall

1997

Journal of the Royal Society of New Zealand

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“…Specimens in various states of preservation and storage can reduce the accuracy of morphometric measurements (e.g. McDowall & Wallis 1996;Raadik 2014), particularly in diminutive species where measurement error may already be higher than usual. Therefore, all specimens used in this study for morphometric analysis were recently collected by the first author and preserved in a consistent manner.…”

Section: Methodsmentioning

confidence: 99%

“…Morphometric and meristic characters were mostly measured or counted following the procedures described by Hubbs & Lagler (1958) which have been modified for, and include additional measurements found useful in, other galaxiid taxonomic studies (McDowall 1970;McDowall 1978a;McDowall & Wallis 1996;Raadik 2014). Many of these characters and the method of measurements have been recently re-defined by Raadik (2014).…”

Section: Methodsmentioning

confidence: 99%

A review of Galaxiella pusilla (Mack) (Teleostei: Galaxiidae) in south-eastern Australia with a description of a new species

Coleman

Hoffmann

Raadik

2015

Zootaxa

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The dwarf galaxias, Galaxiella pusilla (Mack), is a small, threatened freshwater fish from coastal south-eastern Australia. Recent genetic studies, using multiple nuclear and mitochondrial DNA markers, found substantial differences between populations in western Victoria and south Australia ('west region') compared to eastern Victoria, Flinders Island, and Tasmania ('east region') that suggest the presence of a cryptic species. Morphological measurements and meristic counts from multiple populations within each region were undertaken to investigate potential differences between regions. Several characters, found to discriminate between individuals in the regions and to be diagnostic for two taxa, were used to describe a new species, Galaxiella toourtkoourt, for the west region. This is only the second species in the Galaxiidae to exhibit sexual dimorphism. The original description of Galaxiella pusilla, based on five specimens, is revised following examination of a large number of individuals. Both species are considered nationally threatened and are categorised as 'endangered'; the revised distribution of G. pusilla s.s. is reduced by approximately 60%. A number of inconsistencies in the most recent revision of the genus Galaxiella are also corrected.

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Bibliography

2016

Fishes of the World

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Description and redescription ofGalaxiasspecies (Teleostei: Galaxiidae) from Otago and Southland

Cited by 66 publications

References 36 publications

Two further new species ofGalaxias(Teleostei: Galaxiidae) from the Taieri River, southern New Zealand

Two further new species ofGalaxias(Teleostei: Galaxiidae) from the Taieri River, southern New Zealand

A review of Galaxiella pusilla (Mack) (Teleostei: Galaxiidae) in south-eastern Australia with a description of a new species

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