Retrieving "Dolphin" from the archives

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1. Jomon Period

   Linked via "dolphins"

   Maritime Resources
   The Jomon economy relied overwhelmingly upon marine and aquatic resources, with faunal assemblages from coastal sites indicating that fish, shellfish, and marine mammals comprised 60–90% of the protein intake.[^6] Shell middens (kaizuka) adjacent to settlements contain millions of mollusk shells, principally clams, oysters, and abalone, alongside bones of dolphins, sea lions, and occasionally whales.
   The development of specialized fishing technology—including bone harpoon heads, fish hooks, and elaborate weirs—enabled efficient…