An alien’s bumper car. Weird bulging eyes staring back. No plasma engines. No anti-gravity. Just ten spidery legs you barely see.
They’ve been churning the seas for eons. We called it the horseshoe crab.
Lazy name. Failure of imagination, really.
The sword on its tail? Fierce-looking, sure. It’s just a rudder. Steer with that, and you’re good. I didn’t know this. Picked one up by the tail, once.
Bad move.
Luckily it swam off. Unscathed.
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The blood that saves lives
It lays soft, pale green blobs of eggs. Red knots eat them. The birds get full. The crab doesn’t care.
Here is the kicker. The blood? Bright blue. It flags germs like nothing else on Earth.
Limulus polyphemus. That’s the name scientists use. Survivor of two mass extinctions. Unchanged for 250 million years.
You can’t improve on perfection, can you?
Or so the joke goes.
Once I saw them mating. Hundreds stormed the shallow end of a high-tide beach. A chaotic swarm. Two or three males clinging tightly to every female.
It wasn’t romantic. It was biology, raw and loud. The tide came in. They vanished into the deep, ancient rhythm of things we barely understand.
