Slug | Description, Families, & Facts | Britannica
网页2024年9月6日 · slug, any mollusk of the class Gastropoda in which the shell is reduced to an internal plate or a series of granules or is completely absent. The term generally refers to a land snail. Slugs belonging to the subclass Pulmonata have soft, slimy bodies and are generally restricted to moist habitats on land (one freshwater species is known).
Slug - Wikipedia
网页Slugs produce two types of mucus: one is thin and watery, and the other thick and sticky. Both kinds are hygroscopic. The thin mucus spreads from the foot's centre to its edges, whereas the thick mucus spreads from front to back. Slugs also produce thick mucus that coats the whole body of the animal. [4]
Gastropoda - Wikipedia
网页Gastropods (/ ˈ ɡ æ s t r ə p ɒ d z /), commonly known as slugs and snails, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (/ ɡ æ s ˈ t r ɒ p ə d ə /). [5] This class comprises snails and slugs from saltwater, freshwater, and from the …
11 Types of Slugs (With Pictures & Facts) - Wildlife Informer
网页The greenhouse slug is a type of terrestrial mollusk that was once only found in Morocco and Spain but is now widespread across the United States. These species can reach a length of up to 50 mm and have a coloration ranging from dark gray to black.
Slug - Top Facts & Information - Animal Corner
网页Slug, also known as land slug, is a common name used for any terrestrial gastropod mollusk that doesn’t have a shell, has just a small internal shell, or a very reduced shell. Slugs have soft bodies, which is actually just one big muscle in the stomach area that can be used for almost all of their body functions.
10 Incredible Slug Facts - A-Z Animals
网页2023年8月19日 · A slug is any gastropod mollusk that lives on land and has little or no shell. Slugs with shells are called snails. This term, slug, is polyphyletic. It applies to a group of living organisms linked under one name due to a common characteristic. It is not a species as the linked organisms don’t share a common ancestor.
Slug - New World Encyclopedia
网页Slug is a common term for any snail-like gastropod mollusk in which the shell is absent, very reduced, or small and internal. Snail is the common name applied to most members of the mollusk class Gastropoda that have coiled shells.
Understanding Slugs: What They Are and How to Manage Them
网页2023年9月4日 · Slugs are slimy mollusks that belong to the class Gastropoda. They are soft-bodied creatures that lack a protective shell, making them vulnerable to desiccation and predation. Unlike snails, which possess a shell, slugs have evolved a unique mode of movement by secreting mucus to help them glide across surfaces.
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For the love of snails and slugs | Natural History Museum
网页Snails and slugs are molluscs, a diverse group of animals that’s thought to have evolved over 500 million years ago. Along with snails and slugs the mollusc family includes chitons and bivalves, such as clams, mussels and oysters, as well as squid, octopus and cuttlefish – known collectively as cephalopods.
Gastropods - Snails, Sea Slugs, Sea Hares, Nudibranchs - ThoughtCo
网页2017年5月21日 · The Class Gastropoda includes snails, slugs, limpets and sea hairs - all animals referred to as 'gastropods.' Gastropods are mollusks , and an extremely diverse group that includes over 40,000 species.