Crayfish not an ‘easy feed’
Prolonged drought followed by heavy flooding is a common cause of Blackwater. Low levels of oxygen in the water are affecting many species in the Murray River in particularly, the crayfish, who become prey to people who view them as an ‘easy feed’ says La Trobe University’s Dr Susan Lawler.

Crayfish are already vulnerable to birds and other predators and people should not add to the population decline already prevalent within the Murray River. Crawling out of the water is a Murray crayfish trait; they have done it before and will do it again. It is not appropriate to pick up crayfish outside of the fishing season, for whatever reason.
‘Everyone thinks all bets are off when Blackwater is involved, but when people contribute to the Murray Crayfish decline it affects the species and ecology,’ says Dr Lawler.
Dr Susan Lawler can be contacted on Tel: (02) 6024 9874 or Email: s.lawler@latrobe.edu.au
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