Here’s where it gets mythical. The average commercial catch is about 15-20 lbs (7-9 kg), which is already impressive. But the monsters—the old, gnarly ones that have been hiding in the deep for decades—they’re the legends. Fishermen whisper about 40-pounders. There are unverified reports of 50-pound giants living in the cold, dark trenches off the coast of Tasmania. (If you ever see one, run the other way. You’ve lost that argument.)
Tasmanian Giant Crab (Pseudocarcinus gigas) Dimensions & Drawings
You’ve probably seen photos of crabs that look photoshopped next to a human. They’re not. That is real. A 6-foot-tall person standing next to a big king crab looks like they’re posing with a small, leggy coffee table. The perspective is just off until you see it in person.
Why are they so freaking huge, though?
It’s the cold, deep water. Tasmania’s southern coast is frigid, which slows down their metabolism and extends their lifespan. They can live for 20 to 30 years. That’s a whole childhood and adolescence spent just growing. They molt (shed their shell) every couple of years, and each time, they get a size boost. It’s like they’re constantly upgrading their own body armor.
Plus, they eat like absolute kings. They scavenge everything from dead whales to sea urchins. If it’s meaty and it’s on the ocean floor, it’s dinner. No picky eating here.
Tasmanian King Crab
