This is, if I'm not mistaken, part of the Leopard Slug's mating ritual. (Slugs, though, do indeed have remnants of their erstwhile shells: The leopard slug’s is an internal structure about the size and shape of your fingernail—unless you've got Shaq hands, I guess. Luckily, they are not out in full fledge yet, but due to this wet and humid summer, I expect their numbers to be out of control come August. An average leopard slug will grow to 20cm (7.9in) long. Leopard Slugs (cc) photo by Metro Centric on Flickr (cc) photo by Metro Centric on Flickr Results Mating they produce over 100-150 eggs each time they mate Notes Exotic Reproduction (cc) photo by Franco Folini on Flickr (cc) photo by jimmyharris on Flickr Research Various Stages As I hurried past, it glided effortlessly across the moistened slate walkway, its black leopard-print pattern A slug contains both male and female reproductive organs and is therefore known as a hermaphrodite. Maybe I can ease your minds with the fact that we don’t have these hiding in our gardens: http://newswatch.nationalgeographic.com/2013/06/10/new-hot-pink-slug-found-in-australia/, (Only in Australia would you find something that looks like that…), For all those gardeners out there, I will leave you with this tip: If you’re looking to deter Leopard Slugs from your gardens with beer, you better plan on picking up a 30 rack . And those that do need only to mate once in their lives. Pairs will climb together up a tree or on to a rock. Ok, so I am being a bit dramatic, but if you ever get to see one of these in person, they do catch you off guard. I’m debating whether or not I should share with you the misfortunes they face due to their corkscrew shaped penises, but I guess I’ve come this far…, Drawing of slug penises during mating By John William Taylor (1845-1931; UK) [Public domain], via Wikimedia Commons. Making walking through the grass at night in flip-flops (while Lo does her business) hell. Leopard slugs are hermaphrodites. Slugs similar to earthworms are hermaphrodites, which means they have both male and female sex organs. After mating, both of a mated pair of slugs are able to lay eggs because these animals are hermaphroditic, which means the slug has male as well as female sexual organs. They are incredibly long for a slug, growing 4-8 inches and have a unique coloration. The bizarre mating method is featured in the latest series of Nature’s Weirdest Events on BBC Two. This is "Mating Leopard Slugs" by Secret Santa on Vimeo, the home for high quality videos and the people who love them. Yes, those are penises at the bottom. They are common on the Southern Maine coast, but the picture Nikki sent me was taken in Lewiston (which means the invasion is beginning). Limax maximus is the type species of the genus Limax. There’s no reason why an animal should seek sex unless they enjoy it. The Leopard Slug lives in the south and east of Australia and is common in urban areas. Once they choose a mate, courting ensues and can last as long as a few hours. Two mating slugs will encircle each other before becoming physically entwined and hanging from a branch or other surface, literally suspending themselves in mid-air by utilising their mucus slime. “Like all slugs, those in the genus Arion are hermaphrodites (possessing both male and female sex organs). Photo about Slug eggs, found under logs in wet times like in the autumn with a glass appearance and as a background the trunk where they are attached. The BBC’s The Lake District: A Restless Year attempts to find out in their portrait of this charming area in northwest England… including its baby slugs.. All I have to say, regarding the mating practices of the Leopard Slug, is if a busy pair of these dropped down above my head while I was standing under a tree, minding my own business, I would probably never be the same again. Jardins, haies humides, caves, granges humides. Feces of some ( Log Out /  Terrestrial slugs are hermaphrodites – so by wrapping their penises around one another, leopard slugs fertilise each other’s eggs. It increases risk of disease, it wastes energy, it can seriously increase the likelihood of something bigger coming along and eating you (seriously, check out leopard-slug reproduction, below). Two mating slugs will encircle each other before becoming physically entwined and hanging from a branch or other surface, literally suspending themselves in mid-air by utilising their mucus slime. But what you’d actually be witnessing is a mating ritual of a pair of amorous leopard slugs, and the large blue tubes that grow out of the right side of the slugs’ heads are their immense penises. “Leopard slugs and their relatives are unusual among slugs in that they hang upside-down to mate,” says Dr Ben Rowson, an expert in terrestrial molluscs at the National Museum Wales. If the appearance alone wasn’t enough to creep you out, they also have quite the interesting sex life. This is "Mating Leopard Slugs" by Secret Santa on Vimeo, the home for high quality videos and the people who love them. These animals have also been known to consume other slugs. Create Make social videos in an instant: use custom templates to tell the right story for your Slugs, like all other shelled-snails you are Leopard slugs (Limax maximus) are big slugs that live all throughout the globe, including Australia, the Americas, Africa, Asia and Europe. All I have to say, regarding the mating practices of the Leopard Slug, is if a busy pair of these dropped down above my head while I was standing under a tree, minding my own business, I would probably never be the same again. Habitat : Milieux humides de préférence à proximité des habitations humaines. Twisting their slimy bodies together, the large slugs dangle upside down from a glittering rope of mucus, slowly rotating. There is no comparison between these and the little orange slugs that nibble on your flower petals when you’re not looking—Leopard slugs are small, slimy snakes in snail suits lurking around every corner waiting to swallow your soul! Animal Behavior For Successful Reproduction 1. Reproduction. With that being said, ever since I moved to South Portland I have developed a deep fear/loathing/disgust for a newly discovered gastropod. Mating leopard slugs twist their bodies together while on tree limbs. They entwine their bodies while hanging from a slimy mucus rope. It has tiger stripes on the mantle and upper surface of its foot, smooth, furrowless body, pneumostome placement located near the rear edge of the mantle. This shell, which can be seen only if a slug is dissected, is one of the clues that betray the slugs' evolutionary past. They can reproduce either by self- or cross-fertilization, depending upon conditions and habitat stability. If you come across this weird sight, you'd be forgiven for thinking the slug's wriggling blue protrusions were some sort of parasite, or even emerging young. Slugs’ mating systems are diverse and colourful: some slugs do not have penises but stick together with precision. Give and Receive 3. Save 90%. A slug has a higher percentage of water in their body weight than most animals and insects, and the salt will dehydrate them. To mate, the slugs hang upside down from a string of mucus they have secreted because they need the help of gravity to extend their large penises from openings in their heads. And among some African species recently discovered by Dr Rowson, things get even more bizarre: some have spiny or thorny genitalia, or arrow-like love darts “that make the mating of leopard slugs look tame”, he says. Their clear eggs are laid in bunches of around 100 in hidden, damp places, and they hat… When they have had enough of the circling nonsense, they find somewhere high such as a tree limb, become entwined and lower themselves via a thick string of mucus. [3] It is among the largest keeled slugs, Limax cinereoniger being the largest. Change ), You are commenting using your Twitter account. Change ), You are commenting using your Google account. Change ), The VERY Peculiar Mating Rituals of the Leopard Slug. This large Leopard slug was hanging by a slime thread of about a meter long, and it was crawling down, producing large amounts of slime to extend its thread. Slugs are legless, unsegmented and boneless. Fully extended the leopard slug may be up to 8" long (Photo: Flicker Sharing, NorthDevonFarmer) There are a variety of patterns to Limax but most have a greyish brown body with spotting. They feed on a range of fungi, plants and deceased animals. ( Log Out /  They have an interesting mating technique. Gives its trail of slime a special taste that advertises its looking for a make 5. Leopard slug hanging by slime thread. Limax maximus (literally, "biggest slug"), known by the common names great grey slug and leopard slug, is a species of slug in the family Limacidae, the keeled slugs. ( Log Out /  I am convinced that the Great Gray Slug or the Leopard Slug (Limax maximus) has evolved on this Earth for two reasons: 2.) SUBSCRIBE NOW $3 for 3 months. Follow BBC Earth on Facebook, Twitter and Instagram. These appendages, which are the length of the slugs’ entire bodies, are often coloured blueish by the slugs’ body fluids. Giant garden slug … The genitalia protrudes from the slugs and the sperms are transferred to the other. Habitats and Distribution Sea slugs are found mostly in shallow water reefs more than a kilometer deep, and often thrive in any type of water, whether cold or warm. “To do this, they would have to ensure that as well as having their own eggs fertilised, they deliver their own sperm to other slugs… longer penises may be more effective at doing this.”. Photo Credit: John from Tulsa, USA (Flickr) distributed under a CC-BY 2.0 license. Slugs are hermaphrodites, having both female and male reproductive organs. When 2 slugs are ready - and willing - to mate, they find a high elevation to release a special type secretion to create a tether that both crawl down and suspend themselves together. The slugs that eat the veggies in your garden may very well be invaders, such as the Spanish slug or leopard slug—and that last species carries a parasite that can cause meningitis. The body of this slug is yellow-grey or brown in color. It increases risk of disease, it wastes energy, it can seriously increase the likelihood of something bigger coming along and eating you (seriously, check out leopard-slug reproduction). The leopard slug is a commensal species, which, apart from its habitats in forests, often may be found in cellars and in cultivated areas.