Additionally, puffers have talents (communication, art, etc) and may be only fish species which has culture (culture is something partially related with art) .
Please check. http://www.geekosystem.com/underwater-crop-circle/
Regards,
I've been keeping fresh, brackish and salt water species for more than 30 yrs and voted for puffers without any hesitation. There is only one species which can be compared with puffers i.e. triggers.