Albi: a 1.50-metre catfish appears in the Tarn

By late morning, walkers along the banks of the Tarn in Albi sometimes slow down without immediately knowing what has caught their attention. A broad, dark shape breaks the water near a quay, revealing a gleaming back before sinking again with a heavy splash. Children point, phones are pulled from pockets, and regular visitors watch with the blend of astonishment and caution that large wild animals inspire. The fish may be around 1.50 metres long: almost certainly a catfish. For years, people pictured it as motionless, concealed in the muddy depths of the Tarn. Now, however, it is appearing in broad daylight, at times only a few metres from the bank. Its presence changes the way the river is seen.

Giant shapes unsettling walks beside the Tarn

In Albi, spotting such a huge fish at the surface is not merely an angler’s tale, even if the account can quickly sound unbelievable. In calm stretches, around bridge piers or beside shaded quays, a catfish may rise slowly with barely a ripple and remain visible for a few seconds. Its dark grey skin, broad head and long barbels leave little doubt for people familiar with the species. The contrast is striking: pink-brick façades and pedestrians on one side, a predator capable of growing taller than an adult on the other.

Wels catfish have inhabited many French waterways for several decades, and the Tarn is no exception to this trend. Fish measuring 1.50 metres are still remarkable, yet they are not records for the species: some specimens exceed two metres in major rivers. In clear or slightly cloudy water on a sunny day, a fish of this size can look even larger. An Albi resident walking a dog by the river may initially mistake it for a submerged branch, until the mass begins to move.

Seeing them so clearly does not mean catfish have left the bed of the Tarn. They spend much of their time there, sheltered by currents, rocks and deep water. Yet water temperature, the search for food, river levels and the breeding season can encourage them to move closer to the surface. The catfish is not a monster that has appeared from nowhere: it is an animal that adapts remarkably well to its environment. When the Tarn becomes still, it suddenly becomes far less inconspicuous.

Why do catfish emerge in broad daylight in Albi?

To watch without disturbing them, the best approach is to stay quiet and keep some distance. Developed riverbanks often provide a good viewpoint, especially when the sun is high and reflections on the water are reduced. Look for slow-moving areas: near obstacles, gentle eddies, or deeper sections beside piers and rock revetments. Polarised sunglasses can make underwater shapes easier to pick out without needing to approach the edge. The sight is subtle, but patience is rewarded.

A common mistake is throwing bread, picnic leftovers or any other food into the water in an attempt to draw the fish closer. The intention is often kind: people want to show children something or take a sharper photograph. Let us be honest: nobody really does this every day, but a handful of repeated actions is enough to alter the habits of wild animals. Feeding catfish, ducks or coarse fish disrupts the local balance and may attract other species to unsuitable places. Watching without intervening remains the best way to enjoy the Tarn.

Anglers know well the mixture of admiration and caution inspired by a large catfish. Its size should not be confused with an immediate danger to swimmers: the animal generally avoids human commotion and is primarily looking for natural prey. The right response is simple: give the river space and report any unusual situation, such as an injured or stranded fish.

“When a catfish appears, your first reaction is to step back. Then you stay, because you realise you are witnessing something rare,” says a walker who regularly visits Albi’s quays.

• Do not try to touch, catch or feed a catfish seen near the bank.
• Keep dogs on leads in slippery areas or places very close to the water.
• Take photographs from a distance, without flash or unnecessary commotion beside the Tarn.
• Notify the relevant services if an animal appears to be in distress.

The Tarn: a living river we thought we knew

These sightings are a reminder that urban rivers are never merely scenery. Between joggers, terraces, barges and visitors who have come to admire Sainte-Cécile Cathedral, the Tarn retains its wild side. Catfish measuring 1.50 metres are not necessarily more numerous than before in every location; they may simply be easier to see, owing to clearer water, low levels or the growing habit of filming anything that moves. The giant of the Tarn then becomes an almost familiar presence, while never ceasing to impress.

It is also necessary to accept that a river cannot be reduced to a fixed image. In the morning, it may seem empty. An hour later, surface hunting, a motionless heron or the slow passage of a catfish can overturn that impression. In their own way, large species reveal both the richness and the vulnerability of an aquatic environment exposed to seasons, floods, droughts and human activity. Watching a fish rise into the light may simply restore a basic instinct: taking the time to notice what lives right beneath our eyes.