Swimmer mistaken for shark's target by 300kg tuna on Spanish beach

A man swimming at a Marbella beach mistook a 300kg tuna for a shark, causing alarm among onlookers as it chased him ashore during the encounter.

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Swimmer mistaken for shark's target by 300kg tuna on Spanish beach

Get you up to speed: Swimmer thought he was being chased by a shark but it was a 300kg tuna | News World

A man swimming at Ancón beach in Marbella was pursued onto the shore by a 300kg tuna, which caused alarm among onlookers. The tuna was later seen thrashing in the shallows and was assisted back into the sea using deckchairs and umbrellas.

Local reporters indicated that the tuna, estimated to weigh around 300kg, likely became disoriented after being injured by a fishing vessel. Despite attempts to return the fish to the sea using deckchairs and umbrellas, it was observed bleeding from its gills.

Local authorities are investigating the incident involving a large tuna mistakenly identified as a shark, which caused panic among beachgoers in Marbella. In response to growing concerns about shark sightings in the Mediterranean, experts are urging the public to remain vigilant while swimming in coastal areas.

What remains unclear — It is uncertain what specific injuries the tuna sustained that led it to swim towards the beach.

Swimmer mistaken for shark’s target by 300kg tuna on Spanish beach

A man swimming in the shallows of a Spanish beach was given a scare when what looked like a shark chased him onto the shore – but it turned out to be a 300kg tuna.

Video footage showed a fin breaking through the surface of the water close to the beach in Marbella.

Onlookers at the Ancón beach stepped out of the water and shouted to warn nearby swimmers.

The fin then travelled quickly towards two swimmers. When one man spotted the creature, he begins to swim to the shore – but the animal followed him, causing the crowd on the beach to scream.

Onlookers gather at the shoreline to watch the spectacle, and just as the man reaches the beach, the animal surfaces, thrashing violently through the shallows.

Beach goers reacting to the tuna fish. (Picture: SolarPix)
Beachgoers were stunned to see the massive fish (Picture: SolarPix)

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But instead of a shark, a huge tuna can be seen writhing in distress. Local reporters estimated the tuna would weigh around 300kg.

Later footage posted in a local Facebook group showed people helping the fish back into the sea using deckchairs and umbrellas, despite it bleeding from its gills.

While sharks do live off the Spanish coast, they tend to stay far away from the beaches and spend their time hunting in deep waters.

Similarly, adult tunas spend most of their time in deep water.

Local reporters said that it was likely that the tuna was injured by a fishing vessel, which had caused it to become disoriented, swimming to the beach.

A fear of sharks in the Mediterranean has grown after it was revealed that Great White Sharks could be breeding in the warm waters.

In January, scientists said they believed great white sharks may be breeding in the Mediterranean after a juvenile was found by fishermen off the eastern coast of Spain.

**ALL ROUND PICTURES & VIDEOS FROM SOLARPIX.COM** **UK ONLINE USAGE FEE PER PIC 1st ?40.00,2nd ?20,00 INCLUDING VIDEO GRABS. - NO PRICE CAP** **FULL COPY BY NATALIA PENZA natypenza@gmail.com** -TEL: +34 659 567 821** JOB REF: 23522 A/NPZ/SM DATE:10.08.2026 Caption: THIS is the dramatic moment a beachgoer tries to out-swim a big fish in a Costa holiday resort with a large fin appearing to pursue him as onlookers start screaming. From their panicked reaction it was obvious tourists and other locals - and the man attempting to reach the shoreline - thought it was a shark but turned out to be a 650 Pound Tuna. This pic:Swimmer races out the sea being chased by a Tuna *SOLARPIX COPYRIGHT WAVER NOTICE** The above fees are for the suppling these internet/web sourced images & videos only and Solarpix accept no responsibility for any breach of copyright, the use of images supplied and the publication of images is solely at your discretion.**All queries email to alert@solarpix.com or call : +34 609568865
The large fish was filmed thrashing about (Picture: SolarPix)

The creature, which was about 210cm long and weighed between 12st 8lb and 14st 2lb (80kg to 90kg) was accidentally captured on a fishing vessel.

Breeding populations of great whites were thought to have disappeared from the Mediterranean some time ago, so the discovery of a young shark led scientists to investigate.

They concluded that while the species remains a so-called “ghost” population in the region, it has not disappeared altogether.

Great white sharks gained notoriety in popular culture after Steven Spielberg’s classic Jaws broke box office records in 1975.

They are most commonly found off the coasts of Australia, South Africa and off the west coast of the US. Sightings in the Mediterranean are rare.

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