Ecology and Life History Characteristics of Black Bream, Acanthopagrus butcheri, in Tasmanian Estuarine Ecosystems

TL;DRAbstract

Estuaries are characterised by high biological productivity associated with relatively variable environmental conditions. Estuarine dependent fish fauna must cope with such variability and typically exhibit a range of life history adaptations in conjunction with migratory capabilities, to make use of a range of habitats throughout their life time. Their utilisation of these habitats is known to vary at a number of temporal scales, including tide, diurnal, seasonal and life history stage. Studies of the interrelationships between estuarine dependent fauna and environmental conditions have attracted much attention because of the physiological and/or behavioral adaptations to the unstable environment. The black bream, Acanthopagrus butcheri, is an estuarine resident species that completes its whole life cycle within an estuary. It occurs extensively in temperate estuarine waters in southern Australia. This species is the subject of major recreational and commercial fisheries throughout it

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