I found a pair of these guys Vieja synspila about 2.5-3" long, I also found conflicting info online, such as max size, and some say peaceful some say aggressive, any one have experiences with this fish they would like to share.
https://www.google.com/search?q=vie...gG5sbX7Ag&sqi=2&ved=0CEwQsAQ&biw=1920&bih=955
https://www.google.com/search?q=vie...gG5sbX7Ag&sqi=2&ved=0CEwQsAQ&biw=1920&bih=955