The World's Largest Arthropod by Leg Span
Japanese spider crabs have 3.7 meter leg spans, the largest arthropods on Earth. Expert guide to these deep-sea giants and their 100-year lifespans.
November 2025
February 2025
Japanese Spider Crab: Nature's Giant
Everything about the Japanese spider crab: size, habitat, diet, decoration behaviour, reproduction, longevity, and the strange facts that make Macrocheira kaempferi the largest arthropod on Earth.