Top Ad 728x90

mardi 21 juillet 2026

Meet the tasselled wobbegong shark, and prepare to question everything you thought you knew about camouflage.

 




Scientific name Eucrossorhinus dasypogon, which roughly translates to "well-fringed nose with shaggy beard." It lives on shallow coral reefs off northern Australia, New Guinea, and nearby islands, and it is the only species in its entire genus.

Its body is covered in branching skin flaps around the head and chin, layered over a mottled dark and light pattern. Together they break up its outline so completely that experienced divers have looked directly at one without seeing it. During the day it rests inside caves or under ledges with its tail curled up, staying almost perfectly still.

Here is where it gets brutal. This shark does not chase anything. It waits, sometimes slowly waving its tail to mimic a small fish and lure prey closer. When something wanders within range, it opens its jaws and creates enough suction to pull the victim straight in, then clamps down with needle-like, backward-pointing teeth that make escape impossible.

Its jaw can dislocate to take down prey far bigger than what should fit in its mouth. In 2011, researchers documented a 1.3 metre tasselled wobbegong that swallowed a bamboo shark measuring roughly 80 percent of its own body length, one of the most extreme prey-to-predator size ratios ever recorded in a shark.

Despite the fearsome hunting style, it poses little real danger to humans. A widely repeated 1940 claim that it "attacks and generally kills the natives" of Papua New Guinea is now considered questionable and was never substantiated again. Across more than 400 years of records, unprovoked wobbegong bites on humans exist, but none have been fatal.

Its name comes from Aboriginal Australian language, believed to mean "shaggy beard" or "living rock." Living rock might be the most accurate name ever given to an animal

0 commentaires:

Enregistrer un commentaire