Fish anatomy is the study of the form or morphology of fish. It can be contrasted with fish physiology, which is the study of how the component parts of fish function together in the living fish. In p
Anatomical directions and axes (of a brown trout)
Skeleton of a bony fish, the lingcod
Skeletal structure of a bass showing the vertebral column running from the head to the tail
Skeletal structure of an Atlantic cod
Fish physiology is the scientific study of how the component parts of fish function together in the living fish. It can be contrasted with fish anatomy, which is the study of the form or morphology of
Fish anatomy
…Fish anatomy is the study of the form or morphology of fish. It can be contrasted with fish physiology, which is the study of how the component parts of fish function together in the living fish. In practice, fish anatomy and fish physiology complement…
When threatened, the toxic pufferfish fills its extremely elastic stomach with water.
Gill arches bearing gills in a pike
Respiratory mechanism in bony fish The fish draws oxygen-rich water in through the mouth (left). It then pumps it over gills so oxygen enters the bloodstream, and allows oxygen-depleted water to exit through the gill slits (right)
Most bony fish have five gills