Pairs or groups of snails clamber over each other, lock together and remain in close proximity for hours. They will eat other snails that are dead, this was confirmed when an assassin took down a larger MTS and couldn't finish the meal about 4 hours later another Assassin came across the remains and finished it … So now I feel bad. When I bought them, I had some MTS for them to eat, but those are long gone. I have not found evidence of their empty shells laying about. How do you feed assassin snails? That last habit makes breeding them somewhat challenging. I think my assassin snail multiplied and I have no idea what they eat once they run out of other snails. Not all snails eat live plants, and many thrive peacefully on algae, fish waste and fallen leftover fish food. I am noticing more and more small black snails slowly taking over my tank, there are not loads of them yet but I am seeing the numbers increase. my assassin snails have been out of snails to eat for a while they will eat alge and fish food like other snails. I have not found evidence of their empty shells laying about. Nothing to be concerned about these snails. Should I get assassin snails to eat my other snails? Nerite or mystery varieties are suitable. You might want to consider raising assassin snails if you have a problem with trumpet or ramshorn snails in your tank. They do not eat each other unless the other is dead - then its all fair game for fish, snails, etc If the mating is successful, in a few weeks you will see small flat square post-it-note type of eggs on your plants/decor/tank - expect at least 50 or so babies ... but now I am wondering what is eating my youth Assassin Snails. Ghost shrimp + snails = ghost shrimp. I think my assassin snail multiplied and I have no idea what they eat once they run out of other snails. Though assassins will eat other snails, these are usually only small pest species. UPDATE: They will eat eachother! For example, some people may want assassin snails (you can buy them here) to control the population of other snails, while some people may not want them because they only have beneficial snails. I have three assassin snails in my tank and over the past three to four weeks I have noticed that two of them seem to stick to each other almost all of the time. Assassin snails have no interest in aquatic plants, and are safe in any planted aquarium. They will eat other snails that are dead, this was confirmed when an assassin took down a larger MTS and couldn't finish the meal about 4 hours later another Assassin … Mating process of the Assassin Snails. Assassin snails will eat other snails, so it’s not unheard of for fishkeepers to use assassin snails for pest control. Any advice would be appreciated! I thought I just had a rogue cannibal Assassin snail. According to research, copulation usually lasts for 3 h 40 min ± 45 min. Nothing to be concerned about these snails. I sure hope so! Because I would be a very very very sad panda to have one of my sins die on their 2nd day with me. Adult assassin snails spend much of their time in the substrate, and they often ambush other snails from their position of concealment there. Sand is generally the best choice, but there are numerous other substrates on the market that will also work. To one of the other posters, Not all snails are hermaphroditic. Anne C wrote: Hi, I know this is an old post, but I was looking for some advice for my assassin snails and I thought you might have some experience to share. Keeping Assassin Snails Together.