Sea of Unseen on Instagram: "They tell you it's just a deep-sea creature a "Beast Crab" caught on camera, another oddity from the abyss added to a top-five list. But what if it’s not just a crab… it’s a sentinel? What if the camera didn't just capture it… it activated it? Here’s what they don’t tell you: ✅ The crab isn't just a creature. It's a bio-mechanical perimeter unit. Those spikes aren't for defense — they’re antennae. That slow, deliberate movement isn't hunting… it’s patrolling. The mom