Originally Posted by
mangajack
I think that jacks and jungle perch have similar habits. Both breed outside of the river systems, JP's inshore reef habitats for breeding, jacks inshore and offshore breeding locations. I also think that the jacks up to about 60cm will venture to inshore reefs during the breeding cycles and return to the creeks soon after. Why? Because of the numbers of jacks i have seen that are about 35-60cm on inshore reefs during the breeding season at some places i have dived in CQ and NQ. A week later there were none in the area. I dunno, maybe they have a few dry runs before productive breeding takes place??