Love the first photo! Luminous
Have you discovered the trick with inanga and smelt is to turn the net rim horizontal and come up underneath them? They are still fast, but they don't seem to see the net that way.
I read an old paper about diet of giant kokopu based on stomach contents. One had eaten a 20cm kokopu I can't remember the size of the eater, but it was probably 40-50cm, and a 20cm kokopu will not fold into a neat package for easy stomach storage like a nice bendy little smelt.
:spop:
Sounds like a great trip, I have a craving to go spotlighting.