Lepisosteus osseus (Cayman) is a species of ray-finned fishes in the family gars. They are associated with freshwater habitat. Individuals are known to live for 36 years.
Definition: A habitat that is in or on a body of water containing low concentrations of dissolved salts and other total dissolved solids (<0.5 grams dissolved salts per litre).
Definition: The marine benthic biome (benthic meaning 'bottom') encompasses the seafloor and includes such areas as shores, littoral or intertidal areas, marine coral reefs, and the deep seabed.