Someone looks happy

If you “knew” a cat you could see three cats that look like him but still know how to pick them out. Just like that marine animals have special little markings, personalities and behaviors that can help you identify the same one each time. Funny story, at a dive site I had to frequently go to with guests, we had a juvenile sweet lips that had a marking on his face like a hitler stache. I called him fishler and for a good long time I’d know where he would be and could recognize him