I'm a marine biologist. Was working for the National Oceanic Survey back in 1991, stationed along the southern Oregon coast. We were doing a multi-year study on tidal patterns and their effects on intertidal ecosystems. It's hard to describe what we found. That summer, we started getting anomalous readings from our tidal gauges. Not just off by a few centimeters. We're talking discrepancies of up to two meters between predicted and observed water levels. The equipment was new, well-maintained, and we'd calibrated everything according to protocol. There was no mechanical explanation for what we were seeing. At first, we thought it might be local seismic activity causing subsidence, or maybe an unusually strong current pattern we hadn't accounted for. But the readings were too erratic. They'd spike, then normalize, then spike again. Always correlating with the tidal cycle, but not in any predictable way.
I was the one who decided to do a physical inspection of the gauge site. It was located in a relatively protected cove, about three miles south of the main research station. Rocky shoreline, lots of tide pools, typical Oregon coast terrain. The gauge itself was mounted on a concrete piling that extended down into the water. I went out during a minus tide in early August. Low tide was at six forty-seven in the morning, and I wanted to see as much of the substrate as possible. The morning was overcast, typical marine layer, but visibility was good enough. I had my field kit, camera, notebooks, standard survey equipment. When I got to the gauge, everything looked normal at first. The mounting was secure, no visible damage, electronics were dry and functioning. But then I noticed something strange about the substrate around the base of the piling.
There were these formations in the rock. At first glance, they looked like normal tide pool formations, you know, the kind of layered, irregular surfaces you get from years of marine growth and erosion. But something about the texture was off. It was too uniform, too consistent across too wide an area. I knelt down to get a closer look, and that's when I realized it wasn't rock at all. It was organic. Some kind of massive colonial organism, maybe similar to a sponge or tunicate, but unlike anything I'd seen in twenty years of marine research. The surface had this leathery quality, with what looked like hundreds of tiny pores or apertures across it. The thing covered maybe thirty square meters of the intertidal zone, all around the gauge. It was maybe fifteen centimeters thick in its current state, deflated, I thought, because it was low tide.
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