Measuring up to 10 inches long, banana slugs are the largest land mollusks in North America. Commonly found cruising the redwood forest floor at a max speed of 7 inches per minute, these shell-less gastropods are the official mascot of UC Santa Cruz, can live up to seven years, and are hermaphrodites, bearing both male and female sex organs. But here’s the kicker. Their scientific name is dolichophallus, which means “long penis” because the slugs’ male genitals can be as long as their bodies. Al