Mauritius Sperm Whale Population Faces Extinction as ‘Live Treasure’ Dwindles to Just 25

One of the world’s rarest resident sperm whale populations is “on the brink of the abyss,” with only 25 individuals remaining off the coast of Mauritius.

A hard-hitting new film by Subimagery Production for the Marine Megafauna Conservation Organisation Mauritius (MMCO) has sparked urgent concern, revealing that these “living treasures” are being relentlessly harassed by unregulated tourism and modern maritime threats.

A Modern Peril

While historically decimated by three centuries of hunting—which reduced global numbers to 40% of their original levels—the current threat to the Mauritian pod is no longer the harpoon. Instead, the giants face a daily “hell” of high-speed boat pursuits.

Dozens of vessels track the whales daily, with tourists entering the water just metres away from exhausted animals.

Experts warn that the pursuit of “viral videos” and social media engagement is being prioritised over the basic survival of the species.

Physiological Toll

The impact of this constant human presence is devastating. After enduring long, strenuous deep-sea dives, the whales require recovery time at the surface. Instead, they are being:

• Encirclied and chased by rapid craft.
• Starved of rest, leading to diminished energy and a reduced ability to feed.
• Disoriented by noise pollution, which disrupts vital communication.

Recent sightings have confirmed the dire physical state of the pod, with two whales observed in a state of “extreme thinness” before disappearing.

In a population of only 25, any single loss is considered irreversible.

Cumulative Threats

Beyond the immediate pressure of tourism, the whales are battling a gauntlet of “silent killers,” including:

• Collisions with large commercial shipping vessels.
• Entanglement in discarded fishing gear.
• The ingestion of plastic waste and general pollution.

A Choice for Society

The MMCO film, produced under the guidance of Didier Noirot, frames the crisis as a fundamental “choice for society.”

Despite existing laws, regulations are frequently ignored in favour of “proximity at any cost.”

Conservationists warn that if current trends continue, the disappearance of this unique resident population will be permanent.

“The sperm whales of Mauritius are not replaceable,” the report concludes. “If they disappear, it will be forever.”

Source: l’Express