How to fish in Barcelona — bait, rigs and the method that works here

Fish a float, not the bottom

Bottom fishing is the default almost everywhere else, and here it is the single most common reason a session produces nothing.

Lead on the bottom works when there is a tide pushing food along it. There is no tide here worth the name, so a static bait on a rocky bottom mostly sits there, feeds crabs, and finds a snag. Most days it will not work, and the anglers you see catching are not doing it.

The method that does work is float fishing. A float lets the bait drift, sink slowly and stay off the rock, and a slow-falling bait is what the fish on these walls are looking at all day. It also shows you a bite you would never feel through a tight line to a lead.

And it is active fishing. This is not a coast where you cast out, put the rod in a rest and wait. You feed a few crumbs, watch the float, retrieve, adjust, feed again, move down the wall. Anglers who work the water catch here; anglers who wait for the rod to move do not.

Keep the rig light. A slim waggler or a small sliding float, a few split shot strung down the line so the bait falls naturally, and the lightest line you can get away with — 0.16 to 0.22 mm fluorocarbon at the business end. The water is clear enough that thick line is visible and fish refuse it.

Set the depth to the water, then go deeper

The depth under your float is the setting you will change most often, and it is what separates a bucket of tiddlers from a fish worth photographing.

Start shallow — a metre, metre and a half — and watch what happens. If the float goes under every thirty seconds and everything you land is the length of your finger, you are fishing the layer where the small stuff lives. That is your signal, not your result.

Then lengthen. Push the float up the line half a metre at a time and keep going. The better fish — bream, gilthead, mullet with some size on them — sit lower, tight to the base of the wall or over the edge of the rock, and they will not come up through a screen of small fish to take a bait off the top.

How far you can push it depends on the water on the day. On a low, flat, clear morning you can fish deep and slow. When the water is up, coloured and moving after a blow, shorten again and fish higher: the fish come up with the stir, and a bait dragging on rock is a bait about to be lost.

The rule of thumb worth remembering: if you are catching but everything is small, go deeper. If you are catching nothing at all and the water is stirred up, come shallower. Change one thing at a time and give each change ten minutes, not thirty seconds.

Bread, and bread with sardine in it

The best bait on this coast costs almost nothing and you can make it at a supermarket on the way down. Three versions, in order of how well they work.

Bread dough. Take the soft crumb from the middle of a loaf, leave the crust, and knead it between your palms until it stops being bread and becomes a smooth, slightly tacky putty. Pinch off a ball the size of a pea. It stays on the hook, it sinks slowly, and almost everything on this coast eats it.

Bread mixed with water. The same crumb worked with a few drops of water until it is a soft paste. Wetter, softer, and it breaks up faster in the water, which is exactly what you want when you are trying to get a scent trail going or the fish are picking rather than taking. Keep it in a bag or it dries out in twenty minutes.

Flour dough with sardine — the best of the three. Plain flour and water kneaded into a firm dough, then a tinned or fresh sardine mashed in, oil and all, until the dough is grey and smells of fish. It holds on the hook like bread paste but carries the oil that pulls fish in from further away. This is the one to make if you are only making one.

Other things that work here, roughly in order: peeled prawn, a strip of squid or cuttlefish, ragworm bought from the tackle shop, sweetcorn — very good for mullet — and small crab for bream if you can find one legally. Do not gather mussels or limpets off the rocks for bait: taking shellfish without a professional licence is prohibited, even for your own hook.

Whatever you fish, feed the same thing. A pinch of wet crumb thrown in every few minutes, in the same spot, does more for a session than any change of tackle. Little and often — a handful all at once feeds the fish and ends your day.

Small hooks, and a small treble for paste

Hook choice is where most visitors lose the day before they have made a cast. Go smaller than feels right, and then go one smaller.

The everyday shore fish here have small mouths. A hook that is right for a bass in the Atlantic is a hook these fish will peck at all afternoon without ever getting inside their mouth. Sizes 14 to 18 are normal; 12 is already on the large side. If you are getting bites and no hook-ups, the hook is too big — that is almost always the answer, and it is worth trying before anything else.

A small treble is the best hook for dough baits. Mould the paste around the shank of a size 16 or 18 treble and the three points hold the ball together and stay proud of it, so a fish that mouths the bait finds a point immediately. A single hook buried in paste gets sucked clean over and over. Nothing else changes this much for this little effort.

Use a single for worm, prawn and squid, where the bait sits on the bend naturally and a treble just makes unhooking slower. Barbless or a crushed barb is worth it either way: most of what you catch here is going back, and a treble in a small fish is a mess if it is barbed.

Keep them sharp and keep changing them. Fishing over rock blunts a point in an hour, and a blunt small hook is worse than no hook at all.

It is all rock down there — cast accordingly

Barcelona’s fishable coast is engineered: breakwaters, groynes and rock armour tipped in to hold beaches in place. It fishes well and it eats tackle.

Assume every cast is over broken blocks with gaps between them. Cast along the wall rather than square out from it, keep the bait moving, and never let the rig sit still on the bottom for long — that is how you lose it, and it is the other reason bottom fishing fails here.

Fish light enough to lose cheaply. A plain 60–100 g bomb if you must use lead at all, on a rotten-bottom link so a snagged weight breaks off and you keep the rig and the fish. Grip wires just find rock. Carry twice the terminal tackle you think you need.

Now the part that matters more than any of it. Cast safely. These are narrow platforms with people walking behind you, gaps between the blocks that will take a leg, and algae below the tide line that is like ice. Look behind you before every cast, keep the hook covered while you walk, and stay high and dry — the bottom shelves away fast and short-period chop throws water far higher than the wave height suggests.

Do not fish a breakwater alone at night, and tell somebody where you are going. Sea state is a forecast, not a promise, and rock armour kills people on this coast every year.

How a session actually goes

Put the pieces together and the day has a shape. This is what a productive few hours on a Barcelona wall looks like.

Go at first light or in the last hour before dark. There is no tide to time, so light is the timer: dawn and dusk do here what the flood does on an Atlantic coast. In the bathing season the beaches are closed to fishing between 21:00 and 10:00, which pushes the evening session onto the breakwaters — check the rules page before you plan around it.

Arrive, look at the water for two minutes before you tackle up, and pick a spot with some structure and some depth close in. Feed a pinch of crumb, set the float shallow, and fish.

Give a spot twenty minutes. If it produces nothing, or nothing but tiddlers, change one thing — depth first, then bait, then hook size — and give it another ten. If it still produces nothing, move fifty metres down the wall. Standing still is the most expensive thing you can do here.

Keep feeding, keep the bait falling, and keep an eye on what other people are catching and how deep they are fishing. Most of the local anglers on these walls will tell you if you ask.