European seabass (Dicentrarchus labrax) — spearfishing in Morocco

01 Telling it apart

A long, clean silver-grey torpedo with two clearly separated dorsal fins of about the same size, usually hovering in midwater rather than pressed to the bottom.

At distance the giveaway is not colour but silhouette and movement: a straight-backed silver fish that glides, stops dead, then accelerates hard with no visible effort.

Close in, look for a small dark smudge on the top rear corner of the gill cover.

Young fish carry scattered dark spots on the back and flanks that fade as they grow, so a small spotted bass is not automatically another species.

02 Habitat

A coastal fish that spends most of its time off the bottom, over sand or rock right at the edge of the shore, and it tolerates brackish and dirty water that most fish avoid.

What makes a spot is a break in the pattern: the end of a rock finger where white water meets clean, a gutter between reef and sand, a harbour mouth, a jetty tip, a river mouth where fresh and salt mix.

Heavily oxygenated turbulent water is a feature rather than a problem — surf-washed rock, standing current, boiling shallows.

Almost every encounter is in the first thirty metres, and the deeper water it is credited with is seasonal rather than daily.

03 Where to find it in Morocco

Morocco is the southern edge of its range: the species runs from here to Norway, and anything further south is a vagrant.

That makes Moroccan fish an edge population, thinner on the ground than northern ones, and it makes the river mouths and lagoons disproportionately important as nurseries — the Sebou, the Souss, the Draa, Moulay Bousselham, Oualidia.

Nobody has published maturity or spawning work from Moroccan water, so the Atlantic pattern is the working assumption on the Atlantic coast and the Mediterranean one on the Mediterranean coast.

04 Spawning

Once a year, in winter, running into spring the further south you go, with mature fish moving onto ground shallower than about ten metres to do it — and then thinning out from the inshore rock for a while afterwards.

Mediterranean fish spawn from December to March; Atlantic fish later, into spring.

05 Behaviour

Wariness is the defining trait: it registers you long before you register it, and a fish that has seen you head-on leaves without hesitating.

It reacts to sudden movement, flash and noise far more than to bubbles, and it will hang at the edge of visibility watching you, which is why most divers only ever see one leaving.

Against that, it is genuinely curious about a diver who stays still and does nothing threatening, and it will circle back once — most often in broken water, where the surf covers you.

Adults are solitary or in small loose groups, so it is usually one fish and one chance; young fish shoal by size and are far bolder.

How you approach it

Wait, do not hunt. It will see you first, so the only reliable encounter is a still one: get low behind structure at the edge of the broken water and let it come along its own line.
Pick the seam rather than open water — the end of a rock finger where white water meets clean, a gutter between reef and sand, the lip of a harbour or river mouth on moving water.
Broken water is cover. The surf covers your noise, and the turbidity that ruins your visibility ruins its: it sees you about as badly as you see it.
Stay high in the water. It often passes between you and the surface, so a diver flat on the bottom watches it go over.
It reads movement and flash long before bubbles. No head turns, no arm sweeps, and do not track it with your eyes. A fish that circles wide instead of closing has already decided.
One fish, one chance: adults are solitary or in loose pairs. If it leaves, give the spot a few quiet minutes instead of swimming after it.

What people get wrong

01 That a small silver bass covered in dark spots must be a spotted seabass. Young bass are spotted too and lose it as they grow.
02 That it is a clear-water fish. Dirty, turbulent, surf-churned shallows are where it feeds best; flat clean water is when it is hardest to find.
03 That legal size means grown. Morocco’s minimum is far below the size at which an Atlantic female first spawns.

Do not confuse it with

The species this one is taken for, and what tells them apart.

Spotted seabass, Dicentrarchus punctatus — keeps its small dark spots and a sharp gill-cover spot into adulthood, where a grown seabass is plain silver. Common on the Moroccan Atlantic.
Mullets, in the same surf and harbour water — blunt head and a small mouth at the tip of the snout, against the seabass’s big predatory mouth and straighter back.
Meagre, Argyrosomus regius — bulkier with a brassy sheen, one long unbroken dorsal outline instead of two separated fins, and it works deeper and closer to the bottom.
Bluefish, Pomatomus saltatrix — the same silver flash, but stockier through the shoulder, obviously toothed, and travelling in fast loose packs instead of hanging alone.

Worth knowing:

This is a thirty-year fish that reaches a metre, and on the Atlantic side a female does not start breeding until around 41 cm — so a fish at the legal minimum has very likely never spawned.

Every extra centimetre on a female is a disproportionate jump in the number of eggs she carries, which means the handful of big fish on a headland is producing most of what that spot produces.

Take the middling ones, leave the outsized females, and the place keeps producing bass instead of going quiet in two seasons.

No technique makes up for a bad sea. Check the sea conditions before you leave: visibility and swell decide more often than the spot does.

See the conditions