Can you feel his ribs when you run your hands down his sides, with a little bit of pressure? Looking at him from above, does he have a visible waistline? If so, he's in shape. He looks like he's at an excellent weight to me.
My sister thinks Colby is too fat
. It's her build - she's got a sort of stocky, chunky build. I can feel her ribs, she has a waist, and the vet weighed her and said she's at a good weight. Tippy looks fat sometimes because she's got long fur on her belly that hangs down and makes her look like she's got a big belly. She's nice and healthy though.