User blog comment:Mr.Robbo/Human Chauvinism 2/@comment-4844180-20131127012214/@comment-5135903-20131127172227

Indeed. I deliberately went out of my way to write "5 main senses". An interesting thing to think about would be what other 'secondary senses' aliens might have, as well. I expect a person could put many thousands of hours into designing a truly original scientifically accurate alien species...