Murray Cod Maccullochella Sep-Nov Rising water Require hard substrates 25 days Will spawn annually Annual spawner peelii temperature such as or logs for development regardless of flow, but and increased adhesive eggs will migrate upstream photperiod to spawn if there is spring flow, potentially more successful juvenile recruitment with spring flow due to increased availability of food resources Golden Macquaria Sep-Mar Variable Planktonic eggs 24-36 hours Generally need a spring High fecundity Perch ambigua or summer flow to stimulate spawning, potentially more successful juvenile recruitment with spring flow due to increased availability of food resources
Murray Cod Maccullochella peelii Sep-Nov Rising water temperature and increased photperiod Require hard substrates such as or logs for adhesive eggs 25 days development Will spawn annually regardless of flow, but will migrate upstream to spawn if there is spring flow, potentially more successful juvenile recruitment with spring flow due to increased availability of food resources Annual spawner Golden Perch Macquaria ambigua Sep-Mar Variable Planktonic eggs 24-36 hours Generally need a spring or summer flow to stimulate spawning, potentially more successful juvenile recruitment with spring flow due to increased availability of food resources High fecundity
characterising-eco-effects-changes-low-flow-barwon-darling.docx