Reproduction annd development of Neosilurus ater (Perugia) and Neosilurus hyrtlii Steindachner (Teleostei : Plotosidae) in a tropical Queensland stream

Orr, TM; Milward, NE

doi:10.1071/mf9840187

Cited by 23 publications

(15 citation statements)

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“…The plotosid catfish (N. hyrtlii) may be the only obligate flood spawner, with recruitment restricted to the summer months after rising flows. Balcombe et al (2006) reported obligate flood spawning of this catfish in the dryland Warrego River (Murray-Darling Basin), and similar recruitment patterns have been reported in populations of N. hyrtlii from northern Australia (Orr and Millward, 1984;Pusey et al, 2004).…”

Section: Fish Life History and Recruitmentsupporting

confidence: 69%

Extreme flow variability and the ‘boom and bust’ ecology of fish in arid‐zone floodplain rivers: a case history with implications for environmental flows, conservation and management

2011

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Floodplain rivers in arid and semi-arid regions may be the most threatened of all river systems because water resource developments typically dampen their most distinctive characteristics-extreme flow variability and 'boom and bust' ecological dynamics. This article shows how one of the world's most variable arid-zone river systems-Cooper Creek in Australia's Lake Eyre Basin-functions and how it supports its unique fish assemblage and productive fisheries. The ecological roles of drought refugia, channel flows and flooding are reviewed in relation to fish persistence and losses, life history strategies, movement potential, food web processes and production levels. Comparisons are drawn with other floodplain rivers and fisheries to draw out common understandings and universal principles for conservation and management of arid-zone rivers and their fish resources. Ecological implications of hydrologic alterations and land-based activities are presented to highlight the importance of maintaining the hydrologic, geomorphic, sedimentary and biogeochemical processes of arid-zone river systems. Preservation or restoration of natural flow intermittency, sequential flood pulses, complex habitat mosaics, connectivity and identification of the environmental flow requirements for highly valued species and processes are key scientific principles for the management of arid-zone floodplain rivers.

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Section: Fish Life History and Recruitmentsupporting

confidence: 69%

Extreme flow variability and the ‘boom and bust’ ecology of fish in arid‐zone floodplain rivers: a case history with implications for environmental flows, conservation and management

2011

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“…Several other authors have suggested a strong relationship between rainfall and spawning in tropical fishes (e.g. Payne 1975, Orr & Milward 1984, Lowe-McConnell 1987, Ntiba & Jaccarini 1990.…”

Section: Discussionmentioning

confidence: 98%

Reproduction and feeding of the mountain mullet,Agonostomus monticola, in Trinidad, West Indies

Phillip

1993

Environ Biol Fish

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“…For example, at 2 extremes, N. hyrtlii revealed breaks in the predicted regions, whereas N. ater showed a single clade across the entire AMT and New Guinea. These 2 species are similar in their ecology and dispersal behavior (Orr and Milward 1984). Thus, their strikingly different phylogeographic patterns are difficult to explain.…”

Section: Phylogeography and Conservation Of Freshwater Species In Thementioning

confidence: 99%

Broadscale phylogeographic structure of five freshwater fishes across the Australian Monsoonal Tropics

et al. 2014

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The Australian Monsoonal Tropics (AMT) is a unique location for the study of phylogeography and intraspecific genetic variation in freshwater fish. We assessed the phylogeographic structure of 5 species from 2 genera across the region. The species included 3 neosilurids (Plotosidae, Neosilurus hyrtlii, Neosilurus ater, and Neosilurus pseudospinosus) and 2 members of the genus Oxyeleotris (Eleotridae, O. selheimi and O. lineolata). We used mitochondrial deoxyribonucleic acid (mtDNA) and phylogenetic analyses to explore the phylogeographic histories of these species. Overall, phylogeographic patterns were inconsistent. Some species were highly structured, and phylogeographic breaks were detected (e.g., N. hyrtlii, N. pseudospinosus, and O. selheimi), but other species showed no obvious divergences across the AMT (N. ater and O. lineolata). All species sampled in the Gulf of Carpentaria had shallow phylogenies, consistent with the expectation that historically, Lake Carpentaria would have provided connectivity through this region. All species also showed evidence of recent connectivity across drainage divides on the eastern and western coasts of the Cape York Peninsula. Some species in the Kimberley region were highly structured, consistent with expectation that these ancient and geologically stable catchments would promote divergence in allopatry. Conservation efforts should now be directed toward ensuring that the intraspecific biodiversity identified in our study and others are protected in the future.

show abstract

Reproduction annd development of Neosilurus ater (Perugia) and Neosilurus hyrtlii Steindachner (Teleostei : Plotosidae) in a tropical Queensland stream

Cited by 23 publications

References 0 publications

Extreme flow variability and the ‘boom and bust’ ecology of fish in arid‐zone floodplain rivers: a case history with implications for environmental flows, conservation and management

Extreme flow variability and the ‘boom and bust’ ecology of fish in arid‐zone floodplain rivers: a case history with implications for environmental flows, conservation and management

Reproduction and feeding of the mountain mullet,Agonostomus monticola, in Trinidad, West Indies

Broadscale phylogeographic structure of five freshwater fishes across the Australian Monsoonal Tropics

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