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You are here: Home / Invertebrates / Snails / All About Saltwater Snails
A Marine Snail cleaning an Aquarium

All About Saltwater Snails

by greg.chernoff

They are found in freshwater, saltwater, and on land; they are called snails! Hobbyists have found saltwater snails to be one of the best critters for reef aquarium algae control. There is a saltwater snail for almost every kind of algae. For this reason, It is not surprising that they are one of the most popular cleanup crew organisms. Along with having diverse variety and excellent algae eating abilities, it is also interesting to watch snails crawl over the rocks or on the grass as they graze on that nuisance algae.

A saltwater Snail covered in algaes!Snails are a type of gastropod. They have shells to protect them from predators and they all have a similar slug appearance. Saltwater snails can be found in almost every ocean around the world. Although many are collected by divers from these oceans, they are also being captive bred. This allows for the wild populations to remain stable. It also decreases the chance of unwanted hitchhikers coming with the snails into an aquarium. As with most living things in this hobby, captive-bred or aquacultured is the preferable choice.

Invertebrates, including snails, all share the common attribute of being sensitive to copper-based medications. Snails are generally very hardy, but copper will have negative effects on them.

There are many different types of saltwater snails and they all can work in different situations. Some snails stay strictly in the sand, while others will go anywhere in the tank. This is what makes snails one of the best reef cleanup crew members. Having different snails is recommended. They are peaceful towards each other and will often work together to clean all areas of your tank. The snails I will discuss in this article are the Trochus Snail, Cerith Snails, Mexican Turbo Snails, Astrea Snails, Conch Snails, and more.

[CInverts]

Common Saltwater Snails

Trochus Snails

Trochus Snails come from the Indo-Pacific region. They are widely collected in the wild but are also being captive-bred. These snails are one of the best options for snails for many reasons. First, they are great algae eaters with large appetites. They will graze on green algae, slime algae, diatoms, filamentous algae, and cyanobacteria. In addition to that, they are able to flip themselves over after falling off a rock or the tank’s glass. This will allow them to live longer, saving you money. Also, Trochus Snails are hardy and live longer than other snails. They can withstand hotter temperatures too, which is great for tanks in warmer areas. They work well with Cerith Snails; as Trochus Snails will stay above the sand line when cleaning glass, while Cerith Snails will clean the rest of what they missed.

Mexican Turbo Snails

Turbo Snails are another hungry snails that can clean the glass and rock. As their name says, they come from the Gulf of California in Mexico. These snails are especially known for eating hair algae, but they will eat other kinds as well. While these are great, hard-working snails, they have some downsides. They will clean all areas of the tank, including the rock structures. This means they may accidentally knock over unstable rocks or corals frags with their shell while mowing around. For some hobbyists, this is not a major issue, but others may not think it is worth it. The other, most annoying issue, is that they can not flip themselves over. This would not be an issue if they did not fall as much as they do. When they all of the rock or glass and land on the back of their shell, they will die if they are not flipped over. This severely decreases their life span. This defect also makes them easy targets for hermit crabs and wrasses. Turbo Snails are effective, but not efficient.

Astrea Snails

Astrea Snails look very similar to Trochus Snails but are not the same. The main difference is that they are unable to flip themselves over. Just like the Turbo Snail, this may be a major nuisance. Astrea Snails are native to the Caribean. They are fully reef safe and overall a good addition to a cleanup crew. Unlike Trochus Snails, they favor hair algae. They will also eat film algae, diatoms, and Cyano. Like the Trochus Snail, Astrea Snails can handle warmer waters. In terms of hair algae eating snails, they are one of the best. Aside from not being able to flip themselves over, they are generally hardier than other types of snails.

Conch Snails

Conch Snails are certainly one of the most interesting snails appearance-wise. They have two long eye stocks with large eyes at the ends and a long trunk for a mouth. They also have a poky tail, although it is rarely seen. Despite their nickname, Fighting Conch, they are very peaceful. They will not harm other inverts or fish. Conch Snails stay in the sand bed and off the rocks, away from corals. They are a great sand sifting snail that eats algae and detritus off of the sand bed. As they burrow in and out of the sand bed, they will keep it clean and aerated. They work well with other sand sifting snails too.

Cerith Snails

Cerith Snails are another great snail for keeping your substrate clean. At night, they will eat diatoms, film algae, Cyano, uneaten fish food, and detritus. As mentioned earlier, Cerith Snails are great for cleaning that bottom strip of algae on tank glass that is often not cleaned or eaten. Although they will rarely end up on their back, they are able to flip themselves over. They are much smaller than the Conch Snail, but they can do a lot as they sift through your sand bed. This snail is one that should already be a part of your clean up crew.

Nassarius Snails

Nassarius Snails are another interesting sand sifting snail. Although they primarily come out at night to scavenge for food, they will also come out whenever you are feeding the corals or fish. They have ferocious appetites. Unlike Cerith Snails and Conch Snails, it is not rare to find Nassarius Snails on the glass as well. Not only do they feed on fish waste and leftover food, but they help to keep the sand bed aerated. Another interesting thing about nassarius snails is they sometimes stick their long snout out of from under the sand bed. This behavior is fun to see in an aquarium and will certainly get some attention from family and friends.

Saltwater Snails : Predators

Snails are a very peaceful creature, which also makes them great sources of food for predatory animals. Wrasses are infamous for harming snails. Although not each will do it, there is a group A potentially predatory snailsthat will. Avoid getting these kinds of wrasses if you plan on having snails in your clean up crew. If you have to have that Bluehead Wrasse, save your money and avoid getting snails. Other large saltwater fish, such as triggerfish, will eat snails as well. For this reason, it is best to keep snails away from these crustacean killers. Other potentially snail-eating fish: Hogfish, Hawkfish, and Pufferfish.

Some Hermit Crabs may also go after snails in search for a home. You can avoid this by having other empty shells for hermit crabs to live in. Otherwise, it won’t be long before your Hermit Crabs decide to eat your hardworking Turbo Snail and live in its shell.

Saltwater Snails: they are the best for algae control and cleaning up waste. These peaceful creatures are something every tank should have. Whether you are trying to control algae or have another intriguing creature, snails can do it. From the Cerith Snail to Trochus Snail, there is one for every kind of algae and form of waste. They are hardy creatures, especially if they are captive bred. Don’t miss out on watching snails get rid of that pesky algae and keep your tank clean.

[CInverts]

Reader Interactions

Comments

  1. Drew says

    July 22, 2019 at 3:18 pm

    Awesome!

    Reply
  2. Drew says

    July 22, 2019 at 3:18 pm

    Good read!

    Reply
  3. Drew says

    July 22, 2019 at 3:19 pm

    Snails?

    Reply
  4. Gideon Matta says

    July 22, 2019 at 3:20 pm

    Good read

    Reply
  5. Drew says

    July 22, 2019 at 3:21 pm

    So many snails

    Reply
  6. Becky says

    July 22, 2019 at 3:26 pm

    Great overview of all the different kinds and pros and cons for each.

    Reply
  7. robert vice says

    July 22, 2019 at 3:31 pm

    I like the trochus

    Reply
    • Brett says

      July 30, 2019 at 11:53 am

      I’m gonna have to try out some trochus, I have a conch and love it!

      Reply
  8. Cole B Presley says

    July 22, 2019 at 3:46 pm

    I like massive turbos

    Reply
  9. Jered Hedrick says

    July 22, 2019 at 3:56 pm

    Great blog post with helpful insight. Thank you!

    Reply
  10. Rhonda Cunningham says

    July 22, 2019 at 4:13 pm

    Just lost my snail. 🙁

    Reply
  11. Reeferbuild says

    July 22, 2019 at 4:35 pm

    I love snails in my aquarium

    Reply
  12. John Key says

    July 22, 2019 at 4:49 pm

    Snails are great! Great overview of the different snails and their skill sets.

    Reply
  13. eric m sear says

    July 22, 2019 at 5:44 pm

    love this blog

    Reply
  14. Jose Pacheco says

    July 22, 2019 at 8:33 pm

    The best for algae control, my favorite is the Mexican turbo hahahaha

    Reply
  15. Darell says

    July 22, 2019 at 8:34 pm

    Nice article on snauls

    Reply
  16. WWIIIREEF says

    July 22, 2019 at 9:08 pm

    Great article! Snails are our friends in the reef tank! You all covered all the major snails I use in my tanks. Thanks Algaebarn!

    Reply
  17. Chris Livingston says

    July 22, 2019 at 11:40 pm

    Know each type of snail and what it is that they do, thanx!

    Reply
  18. james says

    July 23, 2019 at 2:14 am

    Always keep a good mix in all my tanks

    Reply
  19. Richard Knox says

    July 23, 2019 at 6:33 am

    Awesome information.

    Reply
  20. angelyrojas23 says

    July 23, 2019 at 7:04 am

    Need some just started it my new tank

    Reply
  21. Jeremy Hunsberger says

    July 23, 2019 at 7:14 am

    Cant wait to get my tank going

    Reply
  22. Jeremy Hunsberger says

    July 23, 2019 at 7:20 am

    Love it

    Reply
  23. Sean Simkins says

    July 23, 2019 at 8:42 am

    Trochus are always out of stock everywhere I go.. they must be popular?

    Reply
  24. hwarrenfeltz says

    July 23, 2019 at 9:28 am

    WOW

    Reply
  25. Andrew says

    July 23, 2019 at 9:32 am

    Sweet article love it!

    Reply
  26. Allen says

    July 23, 2019 at 9:34 am

    Well said

    Reply
  27. zadok says

    July 23, 2019 at 9:42 am

    Love watching snails in my tank. Very beneficial and interesting.

    Reply
  28. Tara Fuller says

    July 23, 2019 at 6:11 pm

    Great info.

    Reply
  29. Tyler.gore.90 says

    July 24, 2019 at 4:59 am

    I love these types of articles. It helps really define the strengths of all the different inverts available for a clean up crew and how one can benefit from having a diversified CUC.

    Reply
  30. allison Dale lisney says

    July 24, 2019 at 12:42 pm

    4204 Pepper Drive

    Reply
  31. allison Dale lisney says

    July 24, 2019 at 12:43 pm

    Great info!

    Reply
  32. Melanie says

    July 24, 2019 at 2:40 pm

    Great article. Snails are a great part of your clean up crew. So many different kinds. Make sure to flip them over if they are on their back some species can actually flip themselves others can’t. I love to watch my fighting conchs. It’s crazy how they move about and also how they can climb the rocks.

    Reply
  33. mamucher says

    July 24, 2019 at 5:53 pm

    Thanks for the info!

    Reply
  34. Steven Lombardi says

    July 24, 2019 at 6:06 pm

    Snail for everything!

    Reply
  35. Casey Dolnick says

    July 25, 2019 at 9:33 pm

    Love our snails in our tank. Great read !!

    Reply
  36. Casey Dolnick says

    July 25, 2019 at 9:35 pm

    Love our snails in our tank!!!

    Reply
  37. Jeff Britman says

    July 29, 2019 at 6:51 am

    I always love seeing snail eggs on the glass

    Reply
  38. Kelly Tompkins says

    July 29, 2019 at 9:33 am

    I love the hearty Nerite snail. They are my favorite. I also like snails with hitchhikers. Its even better if they are encrusted with coriline algae, it helps to spread it around your tank.

    Reply
  39. Beverly says

    July 29, 2019 at 6:31 pm

    Good read, my turbo snails do nothing. Going to try Trochus Snails maybe they do a better job. Thanks

    Reply
  40. Debbie Bybee says

    July 29, 2019 at 8:43 pm

    I have nassarius and Mexican turbo snails but am unable to locate area or trochus snails for sale in my area. Thanks for the article.

    Reply
  41. Joshua Andersen says

    July 29, 2019 at 9:03 pm

    Very informative! Good read

    Reply
  42. Marc Spaunburg says

    July 30, 2019 at 5:31 am

    Snails are some of my favorite animals, both saltwater and freshwater.
    I always make sure I have snails in my tanks.

    Reply
  43. danieoue says

    July 30, 2019 at 5:55 am

    Very helpfull information

    Reply
  44. danieoue says

    July 30, 2019 at 5:56 am

    Very helpfull
    Help us To the flight thing

    Reply
  45. danieoue says

    July 30, 2019 at 5:57 am

    Nice reeding

    Reply
  46. artaa1988 says

    July 30, 2019 at 11:27 am

    Awesome

    Reply
  47. Nick nevins says

    July 30, 2019 at 12:22 pm

    Great info on snails

    Reply
  48. Matthew Lucero says

    July 30, 2019 at 8:14 pm

    I love the way the snail eggs look on the glass

    Reply
  49. Stacey Perry says

    July 30, 2019 at 10:28 pm

    I love my little zombie Nassarius Snails ?

    Reply
  50. Melissa says

    July 31, 2019 at 6:28 am

    love my clean up crew

    Reply
  51. Gerald says

    July 31, 2019 at 7:07 am

    Trouchus are the best

    Reply
  52. Bobby Daniels says

    July 31, 2019 at 8:53 am

    Informative

    Reply
  53. Bobby Daniels says

    July 31, 2019 at 8:55 am

    Good info

    Reply
  54. Bobby Daniels says

    July 31, 2019 at 9:27 am

    Interesting

    Reply
  55. Tim J says

    July 31, 2019 at 9:39 am

    Trochus snails are such awesome algae eaters!

    Reply
  56. CHRIS MATHIS says

    July 31, 2019 at 9:53 am

    This is an excellent summary of snails to help people make the right selection for their aquarium.

    Reply
  57. Tami says

    August 1, 2019 at 5:01 am

    I love snails

    Reply
  58. Colton says

    August 1, 2019 at 9:44 am

    I

    Reply
  59. Alex Lin says

    August 1, 2019 at 7:54 pm

    love all my snail!!!

    Reply
  60. lawrence zapata says

    August 1, 2019 at 8:18 pm

    I love my snails that are part of my CUC. They have really helped with my algae control.

    Reply
  61. Eugene Botts says

    August 2, 2019 at 5:59 am

    Great way to keep you tank clean! And feed wrasses…

    Reply
  62. Eugene Botts says

    August 2, 2019 at 6:23 am

    They keep gravel and live rock nice and clean

    Reply
  63. James Jenewein says

    August 2, 2019 at 7:08 am

    I love the nassarius snails! I love seeing their snorkels above the sand when they aren’t actively doing anything.

    Reply
  64. Justin says

    August 2, 2019 at 12:29 pm

    Nothing on escargot?

    Reply
  65. Tony Holliday says

    August 2, 2019 at 2:19 pm

    Snails are weirdly one of my favorite aquatic animals.

    Reply
  66. akreef aquarium says

    August 4, 2019 at 7:54 pm

    Snails are great for the aquarium.

    Reply
  67. Luis Ruiz says

    August 14, 2019 at 7:46 am

    I need some

    Reply
  68. Ferrell Andrews says

    August 26, 2019 at 5:53 pm

    Snails keep everything looking good. Love them for their diversity.

    Reply
  69. Josh Lassiter says

    September 3, 2019 at 7:09 pm

    Snails are awesome! I had hair algae, but no more!

    Reply

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