Barring predation, the banana slug’s life expectancy is believed to be between 3 to 6 years. The penis of a full-grown banana slug is hard to miss. One subspecies, the Pacific banana slug, can grow up to 9 inches long, making it the second-largest slug in the world. The Banana Slug is the second largest terrestrial slug on the planet. The Ariolimax genus for the Pacific Banana Slug means “air slug.” It is a shell-less terrestrial gastropod mollusk and is the world’s second largest slug species. They often are intercepted when they attempt to cross trails. What slugs themselves consume ends up … Banana slugs, like earthworms, are hermaphrodites, so every sexually mature adult should have had one. The banana slug is often bright yellow, though it can be brown, white, and green. D olichophallus, meaning "long penis", is the scientific name given to the banana slug. The Pacific banana slug is the second-largest species of terrestrial slug - growing up to 25cm (9.8 in) long - and weighs up to 115 grams (4.1 ounces). Slime also supports the banana slug’s mobility in navigating through the forest, gliding over dirt, leaves, and other debris. Banana slugs grow to be 6 to 8 inches, and the slug’s erect penis can be the same length. When hiking through the redwood forest in Redwood National and State Parks one may encounter many spineless creatures, however, there are two that are highly visible and capture attention: the banana slug (Ariolimax columbianus) and yellow-spotted millipede (Harpaphe haydeniana).These two widely unrelated species (the banana slug is a mollusk and the millipede an arthropod) are often … How odd. The slime actually helps attract water and has the potential to absorb up to 100 times the slugs water weight. By Rebecca Jacobson 10/17/2018 at 12:10pm Published in the November 2018 issue of Portland Monthly First, it’s enormous. Cool Facts: Named the Banana Slug for their yellow coloration, these slugs also can be brown/tan, white, or even slightly green. The mucus is used in the mating process as well – they leave another chemical in their slime which other slugs will find irresistible. When they meet for mating purposes, banana slugs form a heart shape and exchange sperm. Banana slugs are mostly water and are prone to desiccation. Banana Slugs-No Known Predators? Its lifespan is between one to seven years. It depends on the species. The Banana Slug is a hermaphrodite which means that they contain female and male organs. Life Span: 1-7 years on average. The Pacific banana slug can be found inhabiting humid coastal forests. UCSC Banana Slug Logo. They are infamous for gnawing off their mating partner's penis after copulation. Size: Up to 9.8 inches and 4.1 grams. No discussion of banana slugs in Santa Cruz would be complete of course, without a brief mention of Sammy the Slug from our alma mater (yes we are former banana slugs ourselves). This is not a pest species; however, it is commonly intercepted and may be mistakenly classified as a pest due to its large size. (The banana slug isn’t one for the table, despite its name. Yet some — about five percent — didn’t. This Banana Slug–Eating Survivalist Will School You on Wilderness Skills Nicole Apelian says those mustard-colored monopods are delicious. A creature that big, slow, and yellow had better be distasteful if it wants to survive.)