In the language of arowana enthusiasts, harvesting is simply removal of fry from their male parents.:wink2: Male aros serve to protect their fry which hide in their mouths. By removing the fry, the hobbyists get to raise the fry on their own.juliewiegand said:the second one is harvesting time? what does that mean? and whats going on? is it being sick or eating? it looks like the stuff is coming out of its mouth. beautiful fish but im confused about the second picture.