Fish physiology
Videos
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
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
Fish
Videos
A fish is an aquatic, anamniotic, gill-bearing vertebrate animal with a tough cranium to protect the brain, but lacking limbs with digits. Fish can be grouped into the more basal jawless fish and the
Fish physiology
…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 fishes. In practice, fish…
Balantiocheilos melanopterus Karlsruhe Zoo 02
Dunkleosteus was a giant Devonian armoured placoderm, c. 400 mya.
Largest: whale shark
Smallest: e.g. Paedocypris progenetica