Remarks: Nerite Snails are excellent algae grazers and they do not reproduce in freshwater due to their larvae requiring brackish conditions, meaning you won't be overrun with tiny snails seemingly crawling out of the substrate. They will deposit eggs on many surfaces, however, and these can be scraped off or left to naturally decay. They seem to appreciate brown algae (diatoms) most. Any tanks housing these snails should have a tight-fitting lid as they can crawl up the glass and escape. Luckily, these snails can close up their shells when out of water to slow the rate at which they dry out. Some have reported finding snails 24 hours or longer after escape that perk back up when placed back in the water.

  Olive nerite snails are a species that can be found both in the Gulf of Mexico and the Caribbean typically in estuaries. They are aptly named for their olive colored shells that have a swirl pattern toward the tip of their shells. This species is noted as possibly the hardiest nerite snail so it is an excellent choice for the beginner aquarist,

  B-grade snails have imperfections on their shells such as small chips or scratches but none that are a threat to the snail's health. They most likely will eventually heal and look like any other snail.