An unusual phenomenon on Australia’s beaches is sparking curiosity and stirring up social media discussions. In recent weeks, structures covered in crustaceans have appeared along the eastern and southern coasts of the country, catching the attention of locals and tourists alike. In Horseshoe Bay, south of Adelaide, a three-meter-long structure covered in worm-like creatures was spotted by a local resident during her morning walk. Meanwhile, at Birubi Beach in Port Stephens, a log encrusted with crustaceans was described by locals as “strange and unsettling.”
The discovery has evoked mixed reactions from the public, with some expressing fascination and others feeling repelled. Many described the objects as “nightmare fuel,” with some even joking that spotting such a structure would make them “run away.” These animals were identified as goose barnacles, a type of long-stalked crustacean often found on logs or other floating debris after prolonged time in the water. Despite their unusual appearance, goose barnacles are harmless and feed on small particles floating in ocean currents.
Marine life specialists, such as ecologist Zoe Doubleday, explain that these barnacles use their “legs” to capture food particles from the water, a unique adaptation for nutrient intake. She adds that these crustaceans tend to attach themselves to submerged objects, forming large colonies over time.
On social media, the event has sparked debates about the edibility of these creatures. In various parts of the world, goose barnacles are considered a delicacy, with dishes made from them reaching high prices due to their rarity and distinctive flavor.
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