Over the past two decades, the Gulf of Maine has become a popular landing spot for invasive species from across the world, ...

Not everyone is a fan of snails, but there’s no denying the benefits they bring to a freshwater aquarium. Aquatic snails are fascinating creatures that bring color to a tank and help keep it clean.

Apple snails are pretty popular in aquariums, especially species like Pomacea bridgesii and Pomacea diffusa. People like them because, unlike most snails, they don’t munch on the plants in the tank.

"Not garbage! Not an alien!" the Seaside Aquarium posted on Facebook recently. "It's a giant marine snail egg casing!" Fully grown, the Lewis' moon snail can grow up to 5.5 inches. The Washington ...

and were likely introduced to San Antonio as released pets or "uninvited stowaways on plants that were purchased by aquarium hobbyists." Additionally, the snails love to feast on native aquatic ...