A large fish of approx 1 metre which will not pass
Author 'Ninik' (Id 247797 ) : Arowana silver (Osteoglossum bicirrhosum) is located in South America. His mouth goes indicates his predilection for prey on the surface or even out of the water. It is the male who guards the eggs (between 15 and 30) in his mouth for 4 weeks. When the eggs hatch, the larvae will still be 3-4 weeks in the mouth of the progenitor, the time to reduce their bag vitelin, before they can feed alone. During all this time he is not feeding.