Ok, I now have to go back and change my previous thoughts. After having my ADFs for over a year, today, for the first time ever, I've been hearing my male making a soft sort of croaking noise. Its very soft and not terribly noticeable - obviously, since today is the first time I've noticed it.

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Tina
Puffers:
Auriglobus silus x2
Colomesus asellus x1
Tetraodon travancoricus x1
Tetraodon biocellatus x2
Tetraodon nigroviridis x1
Tetraodon baileyi x2
Tetraodon lineatus x1
Tetraodon palembangensis x1
The greatness of a nation and its moral progress can be judged by the way in which its animals are treated. - Mohandas Gandhi