Etiquette at the water — how a spot stays open

A "No Fishing" sign never appears out of nowhere. It appears after the rig wrappers scattered on the breakwater, the one car parked in front of the gate, the loud voices before dawn — after all of that piles up and the owner of the place decides it can no longer be managed. Far more spots in Japan have closed because of people than because the fish left.

Carry every piece of rubbish home

Taking your own rubbish home is the baseline; the real problem is the rubbish that is easy not to see. Offcuts of line, the card backing from a rig, empty bait packs, a half-finished bottle. Nylon and braid in particular tangle around the legs and wings of seabirds and kill them. Pick up any line you drop, and coil the pieces you cut into your pocket. Do not tip leftover groundbait into the sea either — draw a bucket of seawater, wash down the spot where you stood, and leave it clean.

The spot belongs to whoever got there first

Even where the wall looks empty, the water to the left and right of a standing rod is usually in use. Speak to the angler before you settle in, and leave at least one rod length of space. If you are casting, stand at an angle that does not send your rig over someone else's line. If you are turned down, move on without argument. Squeezing silently into a crowded breakwater is what starts most disputes.

Cars and noise

A fishing port is a workplace. Never park in front of the market, the sorting area, the boat ramp, or a gate. Many ports run a paid car park through the fishery cooperative, and using it is the cheapest way to avoid trouble. Sound carries at dawn: doors, conversation, car stereos. If there are houses nearby it carries further still, and this is what most complaints are about.

Do not enter closed areas

Climbing a railing, stepping over a chain, walking past a "staff only" sign — do none of these, however good the fishing looks beyond them. When an accident happens there, the operator carries the liability, and the whole port tends to close. You are weighing one session's catch against a fishing ground the whole area uses.