swim bladder betydelse and definition

Exempel på swim bladder

• The gills, liver, spleen, heart, gonads and swim bladder were all removed and examined for parasites.

• Squashed preparations of visceral organs, including heart, liver, spleen, kidney, gall bladder, swim bladder and gonads, were made and examined under a light microscope.

• This differs from the method of flotation used by most fish, which involves a gas-filled swim bladder.

• Gar and bowfin have a vascularized swim bladder that functions in the same way.

• In lungfishes, bowfin and bichirs, the swim bladder is supplied with blood by paired pulmonary arteries branching off from the hindmost (6th) aortic arch.

• The swim bladder is evolutionarily homologous to the lungs.

• It is advised to feed goldfish only sinking food because flakes can cause swim bladder issues.

• Since the shallows were subject to occasional oxygen deficiency, the ability to breath atmospheric air with the swim bladder became increasingly important.