Salmon use their sense of smell (olfactory organ) to return to the place in a stream in which they were born. The fish have an instinctual desire to complete this journey at all costs.
You'll usually find gills, eyes, finn, tail, sometimes colors.
you may find fish in lakes, ponds, oceans, rivers, and pet stores.
In the water, at the market, in a McDonald's Filet-o-Fish...
green commet blue tang and other unknown kinds