Micro Fishing is fishing for small to really small fish. There are hooks, rods and accessories specifically designed for small fish.
Tackle for micro fishing
What is Micro Fishing? Take a Plunge Into the World of Tiny Tackle
First time micro-fishing! : r/MicroFishing
Micro Rod Bass Fishing
Micro Fishing = Maximum Fun - Florida Sportsman
Micro fishing Kit, Emergency Fishing Kit
How Microfishing Took the Angling World by (Very Small) Storm
Getting Started
McDonalds Straw Micro Fishing Challenge DIY - video Dailymotion