This may be interesting to know...

[emeraldking]

Found this picture with different moods of a neon tetra and the body colors going with it...

 

[connorlindeman]

That is very interesting

 

[emeraldking]

That is very interesting

That's what I thought as well... Thought I had to share this...

 

[jaylach]

Animals will 'tell your their moods' in many ways. The angle of the crest on a cockatiel tell the mood.