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Fish on Land, Fish on a Palm

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    handler
    tree-climbing fish
    Looks like an ordinary fish at first: thick, clumsy, and built for streams and pools.
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    handler
    tree-climbing fish
    Then it leaves the water and creeps across dry land to move between ponds or rivers.
  • Multi-panel scientific figure illustrating the climbing perch labyrinth organ/gill region, including a schematic head diagram, a dissected organ photo, and close-up anatomical views of gill structures with labels.
    handler
    tree-climbing fish
    Its secret is inside the head: cells full of water keep the gills moist until the reserve runs out.
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    handler
    tree-climbing fish
    And the final surprise: Lieutenant Daldorff reported one at Tranquebar ascending a fissure in a palm-tree stem.

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