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Top 5 largest mollusks

evergreen

Body mass / size — Mollusks & crustaceans

Snapshot · 2026-05-31

  1. 1

    Colossal Squid

    ~495 kg

  2. 2

    Giant Squid

    ~275 kg

  3. 3

    Giant Clam

    ~200+ kg, ~1.2 m shell

  4. 4

    Giant Pacific Octopus

    ~50-70 kg

  5. 5

    Australian Trumpet (sea snail)

    ~18 kg, ~90 cm shell