The Murray hardyhead Craterocephalus fluviatilis, a native fish species endemic to the Murray Darling Basin, is listed as ‘endangered’ under the Commonwealth EPBC Act. Its current distribution is thought to be limited to seven remaining populations within the Murray Darling Basin. Due to prolonged drought in the South Australian Riverland region, followed by high flows and flooding in 2010 - 2012, the status of Murray hardyhead in the region was unclear. High levels of connectivity and subsequent potential for movement of fish, together with increased difficulty in sampling fish during flood conditions, resulted in the capture of low abundances or even absence of the species from most sites where it was once abundant. However, recent flooding also resulted in the inundation and alteration of salinity regimes of habitats that were previously unfavourable for the species. Post flood management actions through collaborative projects are likely to have assisted the recovery of the species within the region owing to improvements in habitat conditions. Sampling results at sites between 2012 and 2014 have demonstrated successful recruitment and increased abundance within individual Murray hardyhead populations. This is an encouraging result in regards to the status of this species in the region, however should be viewed with caution due to the Basin wide vulnerability of the species.