Ontogenetic dietary shifts (ODSs), the changes in diet utilisation occurring over the life span
of an individual consumer, are widespread in the animal kingdom. Understanding ODSs …

Body size is important to most aspects of biology and is also one of the most labile traits.
Despite its importance we know remarkably little about the proximate (developmental) …

Differences in predation intensity experienced by organisms can lead to divergent natural
selection, driving evolutionary change. Western mosquitofish (Gambusia affinis) exhibit …

Habitat fragmentation is a principal threat to biodiversity and artificial river barriers are a
leading cause of the global decline in freshwater biota. Although the impact of barriers on …

Fish speed and stamina, locomotion and the mechanics of fish swimming, are important to
the development and design of passage, exclusion, and guidance systems for fish. Such …

1. Aspects of locomotor performance are thought to be important in a variety of natural
contexts, including foraging and escaping from predators. The role of locomotor abilities in …

Energy metabolism fuels swimming and other biological processes. We compared the
swimming performance and energy metabolism within and across eight freshwater fish …

Enhancing our understanding of fish dispersal is central to the success of modern‐day
conservation efforts in freshwater ecosystems. However, methods seeking to estimate …

Populations of species that inhabit a range of environments frequently display divergent
morphologies that correlate with differences in ecological parameters. The velocity of water …

Movement between habitats in river fish assemblages is often restricted by instream
structures such as culverts. The ability of diadromous common jollytail, Galaxias maculatus …