🦀
Japanese spider crab
Macrocheira kaempferi
Invertebrates
vs
🦡
North American river otter
Lontra canadensis
Carnivores · Least concern
One clip names both of them
141 views between them.
Japanese spider crab outweighs North American river otter 1.7× — 13.6 kg against 8.1 kg.
Tale of the tape
Body mass
14 kg
🦀 Japanese spider crab · SeaLifeBase
8.09 kg
🦡 North American river otter · COMBINE
Body length
no figure yet
🦀 Japanese spider crab
0.72 m
🦡 North American river otter · COMBINE
Maximum lifespan
no figure yet
🦀 Japanese spider crab
27 yr
🦡 North American river otter · COMBINE
Bars are sized against the larger of the two figures.
Animals caught on camera
Real footage of the animals on this site — hunting, fighting, and getting on with it.
Shared ancestry
The closest group they share is Metazoa (kingdom), home to 1,490,245 species.
We know what their shared ancestor was, but not when it lived — no dated family tree spans both of them yet.