The worms look like curly pieces of spaghetti and may be several inches long. (texaswestveterinarian.com)
Thin, white heartworms look like cooked pieces of spaghetti. (15thstvet.com)
They look cool for the first five minutes after you get them out of the box and then you drip a tiny piece of spaghetti sauce on them and game over, you look terrible. (relevantmagazine.com)