recent fishign activity?

I went to ushaka on Wednesday night fished from 22h00 to 02h00.
lots of small fish around. Stumpies, grunters, shad all were released. i picked up only one good size shad. guys fished near me picked up a salmon also a grey shark. lost many hooks with the small sharks around. went on low tide to the harbor and pumped for sand prawn. bait used was sand prawn and sards.