Western Australia has long been famous for its striking beaches and exotic marine life — but sometimes, nature decorates the shoreline with creatures best admired from a safe distance. One such recent find is the Dofleinia armata, a sea anemone as dazzling as it is dangerous.

A Gorgeous Nightmare

At first glance, the Dofleinia armata looks like a living work of art. Its creamy body and striped black-and-white tentacles spread out like an underwater flower. But beneath the beauty lies a deadly secret: this is one of the most venomous sea anemones in the world.

Each tentacle is packed with microscopic stinging cells, called cnidocytes, which contain tiny harpoon-like darts (nematocysts). When touched, these darts inject potent venom capable of causing extreme pain.

Pain That Lasts for Months

Unlike a jellyfish sting, which often subsides within days, a brush with the Dofleinia armata can leave victims suffering for weeks or even months. Reports describe intense burning pain, swelling, blistering, and long-lasting sensitivity at the site of contact.

Even seasoned marine biologists treat this creature with caution. “Contact with Dofleinia armata is something you don’t forget,” one Australian researcher noted. “The pain is relentless, and recovery can be frustratingly slow.”

Why It’s Called “Armata”

The name armata means “armed,” a nod to the sea anemone’s natural weaponry. The surface of its body and tentacles are literally bristling with venomous darts. Unlike most anemones, which rely on toxins to immobilize prey, this species seems particularly well equipped to ward off larger threats — including humans.

Found on Australian Shores

The species is native to the Indo-Pacific, but sightings are especially common along the northern and western coasts of Australia. Recently, one was spotted near Broome, Western Australia, startling beachgoers who mistook it at first for harmless marine debris.

Wildlife experts advise that anyone who encounters the creature should resist the temptation to touch it — even if it appears washed up and lifeless. Its stingers remain active long after the animal is stranded.

What To Do If Stung

If contact does occur, medical experts recommend:

• Rinsing the affected area with seawater (not freshwater, which can trigger more stings).

• Removing tentacle fragments carefully with tweezers or a gloved hand.

• Seeking medical attention immediately, especially if pain is severe or persistent.

There is no antivenom, and treatment generally focuses on pain relief and wound care.

Deadly, But Vital

Despite its venomous nature, the Dofleinia armata plays an important ecological role. Like other sea anemones, it is both predator and shelter-provider, catching small fish and crustaceans while offering protection to certain marine organisms.

Its striking appearance and potent defenses serve as a reminder of Australia’s unique — and sometimes dangerous — biodiversity.

Admire From Afar

So, if you ever stumble upon one of these stunning creatures while walking along an Australian beach, enjoy the sight — from a safe distance. Snap a photo, marvel at its beauty, and remember: this “flower of the sea” comes armed and dangerous.