Using basic artistic rules of placement, symmetry, color, texture, and size the home hobbyist can bring out their favorite items as an 'attention getter'. More... (http://www.advancedaquarist.com/2005/7/lines)

good examples except for the starving porcupine puffer.

Yeah, he don't look so good....

Yeah, he don't look so good....
if a fish held in captivity eats, there is only one reason for it to be skinny,............owner neglect.