"..Dusk, then." Maybe this was a bad idea and he should have simply refused the invitation. He wasn't an angler, there was no fishing poles to begin with, and anything like socializing was a pointless waste of time!

...No, this isn't about socializing. It's about food, in a very roundabout way. "If it grows dark I will guide you back to town." Low light is not a problem for him at all. "Do you ... require equipment for this task?" Things like hooks, at least? It's not really the time of year to go swimming, he's pretty sure.