One clip names both of them

198,577 views between them.

Japanese spider crab outweighs Chicken 18× — 13.6 kg against 0.8 kg.

Tale of the tape

Body mass

0.75 kg

🐔 Chicken · AVONET

14 kg

🦀 Japanese spider crab · SeaLifeBase

Maximum lifespan

30 yr

🐔 Chicken · AnAge

no figure yet

🦀 Japanese spider crab

Bars are sized against the larger of the two figures.

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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.