How do fish deal with changes in pressure in the ocean?



  1. 0 Votes

    Many of the fish living in the the sub-photic zones of the ocean are small, usually not exceeding 25 cm in length and so scientists have discovered that the deeper these creatures live, the more gelatinous their flesh and the less skeletal structures they have, making it easier for them to live under such extreme pressure. Additionally, these creatures do not have excess cavities that would collapse under the pressure, such as swim bladders.

  2. 0 Votes

    The sperm whale and leatherback sea turtles aren’t fish but they deal with pressure in a similar fashion. The sperm whale has collapsible lungs and rib cages for when they are in deeper water. The leather sea turtle also has collapsible lungs as well as a flexible shell.

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