jlb-aquatics 25 live olive nerites freshwater snails colors olive green, brown, to black jlb-aquatics i only sell healthy snails ! ! ! i sell snails in the following packs 100 for $59 50 for $39 25 for $20 10 for $18 i cannot ship these to hawaii. i apologize but these are not allowed in hawaii per the invasive species act. so if you live in hawaii please do not order these. if you do and i somehow miss that you live in hawaii and i send them then they take 2 weeks to get back to me at which point they have been opened and inspected and are typically dead when i receive them. i work hard to raise these and do all i can to ensure they live and can last 7 days in the box. but 2 weeks is to long. ok with that out of the way lets carry on. you are purchasing nerite snails that have healthy looking shells. when i pick them out from my tanks they will have minor cracks, gashes, and or nicks as you can see in the pictures provided. shell erosion is normal and is not a sign of a sick or unhealthy snail. this is just a part of how they look. the shells on olive nerites will not always be perfect. i will do my best to make sure i am only shipping the very best of my stock to you. also they will be active healthy snails either affixed to the glass or any other hard surface from my tanks. the pictures on this listing is of my 125 gallon tank that they maintain as a major part of my cleanup crew. i will also supply a few extra snails with your order just in case one or two parish in shipping. the typical amount supplied as an average is about 20% so if you order 25 i will be sending to you about 30 snails. i do not expect any to perish in shipping so if none perish then you have gotten free snails. if some do then the 20% should outweigh any loss you may have. you are buying the amount listed in the header and any extras are to insure you get all you purchased. benefits of nerite snails. the olive nerite snail is a great choice for keeping uneaten food and algae in check, while at the same time it will not unexpectedly overpopulate your aquarium.