Snails are mollusks that belong to the Gastropoda class. They have about 43,000 species categorized into land snails, sea snails, and freshwater snails. Depending on their habitat and species, snails can survive about one to three years or even up to 25 years.
Most snails are hermaphrodites, which means they can be both a female and a male. While some hermaphrodite snails may still need another snail to reproduce, some can do it on their own through asexual reproduction.
The first snail lived about 550 million years ago on the seafloor and evolved into land snails about 286 million years ago when they moved to land and developed lungs for breathing.
Types
Apple Snail
When it comes to freshwater aquariums, this is one of the most popular types of snails to purchase. It comes in a wide variety of colors, including gold, blue, and even tiger. It is recommended that you have a large tank if you want to keep this type of snail because it can grow up to six inches in length. They also have a tendency to eat the plants in your aquarium, so it is recommended that you not have a lot of plants kept there.
Garden Snail
Also known as Helix aspersa, the garden snail is very well known and has also been called the European Brown Garden snail. It is a common snail in Europe and other parts of the world, and it causes a lot of damage to numerous plants and crops.
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It is normally no more than 1.3 inches in length, and it has a soft body, yellow- or cream-colored shells with brown spiral stripes, and is covered with mucus. The shell on the garden snail is used when the snail is not eating or when it feels it is in danger, although it still protects the snail even when the snail isn’t inside of it.
Garden snails eat plants, which is why they are so dangerous when they’re found on farms. They find their food in places such as trees, the barks of trees, cereals, and even flowers.
Giant African Land Snail
Getting up to almost eight inches in length, the Giant African Land snail is one of the world’s largest terrestrial gastropods. Their shells are light to dark brown in color and usually have dark brown vertical stripes on them.
They live, on average, from five to seven years, but many of them have been known to live up to 10 years. It is an invasive species and causes much damage to crops and agriculture.
In fact, these snails can eat up to 500 different species of plants, so they are voracious eaters. Although they are quite destructive, they do not give up very easily. They have even adapted to living in areas outside of their natural habitats, making them an even bigger threat than ever before.
Mediterranean Green Snail
These snails can get up to nearly five inches in length, and they have only been around since the 1980s. It was established in Western Australia, and it eats a wide range of plants, including cereal crops, pasture grasses, and leafy vegetables. In Northern Africa, it is found mostly in rainforests.
Orchid Snail
These are a very small species of snails, and they get their name because of their preference for destruction in greenhouses and in orchards. It has a shell that is a reddish-brown color, but the animal itself is a bluish color.
They are also very small, usually only one-third of an inch in length. Even if you have pots with various plants in them, you have to watch out for these snails, because they can easily get inside and underneath the pot.
