Does anyone know what this might be?

The morning outing took an unexpected turn when a curious pet approached an unfamiliar object near the water’s edge, sniffed it, and suddenly backed away. Its owner stepped forward to investigate. Against the damp pebbles rested a smooth, weathered structure with curved segments, a bulbous middle, and a trailing extension. In the early light, its unusual contours made it difficult to tell whether it belonged to the natural world or had been made by human hands.Possible explanations ranged from tangled marine vegetation and sculpted driftwood to discarded equipment or an abandoned artwork. Yet the account offers no expert identification, and the animal’s reaction alone cannot establish what the object was—or whether it posed any danger. That uncertainty remains the heart of the encounter. An ordinary stretch of shoreline had offered something extraordinary to look at, but without closer examination, its origins remain a question rather than a discovery.