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Nightfish
The nightfish (''Bostockia porosa'') is a species of freshwater ray-finned fish, a temperate perch from the Family (biology), family Percichthyidae which is endemism, endemic to southwestern Australia. Taxonomy The nightfish was first formally Species description, described in 1873 by the French naturalist François-Louis Laporte, comte de Castelnau. The type locality was given as the Swan River (Western Australia), Cygnes River in the interior of Western Australia. Castelnau also described the new Monotypic taxon, monotypic genus ''Bostockia'' for this new species. The is genus is Taxonomy (biology), classified within the family Percichthyidae, the temperate perches. The genus name honours the Anglicanism, Anglican Minister (Christianity), minister Rev. George James Bostock (1833-1881), a collector of fish Zoological specimen, specimens for Castelnau in Western Australia, he collected the nightfish type. The specific name ''porosus'' means “holed” or “pored”, an allusio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kalgan River
The Kalgan River is a river in the Great Southern region of Western Australia. Geography The river is long and, along with the King River, drains into Oyster Harbour. The lower 9 km of the river take the form of a drowned river valley with steep hillsides of forest and farmland, and the occasional outcrop of granite. The river's source is west of the Stirling Ranges. It rises north-west of Kendenup and flows generally southwards until it reaches Oyster Harbour about 10 km north-east of Albany. The Kalgan River is the region’s fourth largest river in terms of average annual flow (53,400 megalitres), and has the third largest catchment area (2,562 km²). The upper reaches of the Kalgan River lie within the National Park. These tributaries are marginally saline to brackish, suggesting the levels of salinity are natural. The loss of catchment vegetation (66% of the catchment is cleared) has increased salinity levels downstream. The lower section of the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
