A photo‐identification technique based on the unique detail of the head markings of individual fish was developed and utilised in a long‐term (>10 years) study at four discrete populations of the southern blue devil ( Paraplesiops meleagris ), a small demersal fish endemic to Australia's Great Southern Reef (GSR). The study revealed novel information on its life history and behaviour, including that population sizes were relat...

Recruiting King George whiting Sillaginodes punctatus were studied to assess the potential for food competition with permanent resident fish species in a nursery habitat. Marine migrant post larval S. punctatus ( 0.6) diet overlap with permanent resident fish species Favonigobius leteralis and Stigmatopora nigra . Food electivity index indicated that S. punctatus juveniles preferred harpacticoid copepods and amphipods, while j...