Show fish out of place nicaragua contains the c only freshwater fresh water lake known to science in which big saltwater salt water fish abound says national geographic society ety sawfish of 0 more than TOO pounds sharks up to pounds tarpon and other landlocked ocean dwell ers are caught daily in the waters of oval lake nicaragua miles long and feet above the level of the nearby pacific ocean geologists explain the oddity by saying the lake was a bay of the ocean until an earthquake lifted its basin locking out the sea streams fed by the regions reg long heavy tropical rainfall gri gradually dually have t arned the lake water fresh |