How to stop nerite snails from laying eggs

How Do I Get Rid Of Nerite Snail Eggs? - HelpUsFis

To get rid of nerite snail eggs from tanks, scrap them off the surface they are attached to then perform a water change. If the tank is a freshwater tank, it will prevent the nerite snails from laying eggs in the first place. Some individuals also suggest the use of hydrogen peroxide in getting rid of nerite snail eggs To mechanically remove Nerite snail eggs, follow these steps: Find a NEW stainless steel razor blade. Carefully scrape the eggs from surfaces with the razor blade. Collect the fallen eggs with a stainless steel spoon and remove them from the tank 7,410. Location. Teesside, UK. Mar 10, 2014. #8. If your white dots look like someone has stuck sesame seeds all over the wood, that's nerite eggs. I've never been able to get them off wood because the surface is softish. It is possible to scrub them off really hard things like glass, but not wood in my experience Clown loaches do eat snails but they get huge 12 or more and require a group of 5 as a minimum and a rather large tank 100 gallon or more. More being the best. I house my 6 clown loaches in a 150 gallon and am looking for a bigger one. 300 gallon preferably. True, to get rid of nerite eggs, you could get rid of the nerites

A Tiger Nerite Snail and a Zebra Nerite Snail could grow to be larger than an Olive Nerite, with the Tiger Nerite and Zebra Nerite being close to two times as big as the Olive Nerite. The Horned Nerite Snail is generally the tiniest of the Nerites, typically gauging in at 1/4 inch on the tiny side and simply under 1/2 inch on the big side How often do Nerite snail lay egg capsules? Well, this is another mystery. Some snails will lay eggs for a while and then stop completely. Others seem to lay in cycles while still others never lay eggs at all. I have read in one of the guides that Nerite snails start breeding rapidly to get an optimal number of species in the population Removing Nerite Snail Eggs. The biggest down side of nerites is that they lay eggs everywhere. Especially if you have driftwood in your tank. These eggs can be extremely difficult to remove, too. Luckily, they usually will taper off and/or stop laying eggs eventually (until you get new nerite snails)

Best Scoop for Removing Nerite Snail Eggs in Fish Tank (EDITOR'S CHOICE) Pawfly 5 Inch Telescopic Aquarium Net Fine Mesh Small... Telescopic handle allows you to reach the bottom of 9 to 24 inch deep tank without dripping hands. Solid flexible handle built with 304 stainless steel won't get rust or bent You should be safe with Nerites because they usually only breed in brackish water. I`ve never had eggs. Then they hatch as larvae and are moved to salt water. When developed as little snails, move them back to brackish tank, then to fresh water tank Nerite snail breeding is a topic that is full of misinformation and confusion. It's funny because other than breeding everything about this creature is very straightforward! The source of the confusion comes from the fact that many people say nerite snail eggs can be bred in a freshwater aquarium, but the larvae need saltwater to survive Because nerite snails use calcium drawn from their surrounding water to grow their shells. If the water is too soft or too acidic, the snails' shells break down over time. Ultimately, this kills the snails. Another thing that can kill your snails is using a dirty substrate Nerite snails lay egg capsules that contain anywhere from 36 to 106 eggs. The egg capsules can attach to the substrate, other snail shells, plants, and decorations. If you need to move the eggs to a new tank, be sure to remove the item that they are attached to. The eggs need saltwater, or brackish water, to hatch

What to do with Unhatched Nerite Snail Eggs? Aquanswer

I have two zebra nerite snails who have been busy laying eggs. I have learned that these will not hatch unless they are incubated in brackish water. I'd like to give that a try, if realistic. Last week, I noticed a nice trail of eggs on one of the rocks. I was hoping to place this rock in a gallon jar of brackish water to incubate Eggs need a warm, moist environment to thrive, but they don't need a lot of water. That's why snails lay them above the waterline. Avoid submerging the eggs, as the fledgling snails inside may drown. A tight-fitting aquarium lid helps contain moisture so the eggs don't dry out If your snail found a partner successfully and the mating began, the female snail will start looking for leaves or driftwood where it can lay its eggs. It can even lay eggs on another snail's shell. The egg capsules are in yellow and turn dark as it develops into a baby snail A mystery snail (apple snail) laying eggs on the glass of its aquarium. These snails are very easy to breed. It usually only requires an increase in food al..

Any Easy Way To Remove Nerite Eggs? Tropical Fish Forum

Nerite Snail Eggs ~ Nerite snails are exceptionally prominent for their one-of-a-kind patterns and also shades, along with their practical benefits. They work hard to clean algae off of glass, plants, as well as decors, they consume hair algae, and they keep your substrate clean and also the right shade. Actually, nerite snails are extensively. Nerite snails (Neritina natalensis), also known as tiger snails, or zebra nerites, is a small freshwater snail that is prized for its algae eating ability. While it is a freshwater snail, it only breeds in brackish waters, so it has the added benefit of not overrunning an aquarium with larvae An overcrowded tank prevents the snails from moving freely and suffocates them. The constraint of space can make the snails anxious, and they may attempt to escape the aquarium. Tanks should not be overcrowded with fish and other snails. Yes, even too many snails in a single tank can induce stress and anxiety in them


I had 2 Nerite snails. I still have one, it must be at least 3 years old. I love the look of nerites, they are extremely pretty. However I hate their eggs. They lay them everywhere and they are impossible to remove The snails can lay eggs in the freshwater, but the larvae need saltwater to survive. For successful breeding, you will need a breeding tank. You can either move the nerite snail eggs from a freshwater tank to a breeding tank or move snails to the new environment. But don't move a freshwater snail to the saltwater abruptly

The nerite snails lay a single white or clear egg at a time, usually attached to submerged decorations. It is worth noting that these eggs will not hatch in a freshwater tank as the eggs require brackish water to complete development. These eggs are also well stuck to the surface and can be difficult to remove When introducing nerite snails into a tank, gently place them on the aquarium floor or a stable surface. Some owners simply drop the snails into the tank and let them float to the bottom. Though, this is dangerous since the snails may land on their sides or back. Nerite snails have a challenging time turning over Location. New Jersey, USA. Sep 17, 2005. #2. Hello, You cannot breed nerite snails in fresh water to start off with. These snails are capable of living in Fresh,brackish,and saltwater. Of which they only breed in brackish water. So if your hoping to breed in your existing FW planted tank, your out of luck But if you raise the number of snails simultaneously living in a tank, they will stop laying the eggs. They noticed that population number is ok and stopped breeding. 15 snails are quite enough for 40-50 gallons tank and they won't leave these white spots anywhere. It looks like 10-15 snails is a minimum number for a small capacity tank

Nerite snail larvae can only survive in brackish water. In freshwater tanks, female Nerite snails will lay eggs. However, the larvae will not develop as the salinity level of the water in a freshwater aquarium is not suitable for their survival. If you wish to breed Nerite snails, transfer the eggs into a brackish water setup Caught my Nerite Snail laying eggs. Jump to Latest Follow 1 - 18 of 18 Posts. bpimm · Registered. Joined Jun 12, 2006 · 612 Posts . Discussion Starter · #1 · Dec 29, 2006. I looked at the tank tonight and the snail was on top of some eggs that I didn't remember there this morning. sure enough it was laying the eggs as I watched.. Hello. My two nerite snails have been laying a lot of eggs and I was wondering if moving the eggs to brackish water would be enough for them to grow into snails. My plan was to put something like a terracotta pot into the aquarium, let the snails lay eggs on the pot, and move the pot to brackish water as soon as I notice new eggs 1,227. Location. Cumbria, UK. 25 Mar 2008. #2. Never had mine go beyond the water line, they are fully aquatic as far as I know. To be honest I'd not choose them again unless I had ongoing algae issues, they lay eggs all over wood in the tank and I feel they are generally pretty messy (loads of waste coming out of them all the time

Hullo UKAP folks, I have ordered some nerite snails online. I wanted to know how do I introduce them into the tank? Do I just drop them in or do I need to acclimatise them like fish? Many thank I have two adult mystery snails in my tank. They laid eggs about 3 weeks ago, and since then, they both became rather inactive. One of them is moving around and eating, but much less than usual. The other one hasn't moved at all in the last 4 days or so, but it's definitely alive (it retracts further into the shell when I poke at it's door) Last year I picked up 2 mystery snails and was lucky enough to get a male and a female. They bread and I hatched out a few bunches of eggs so I have mystery snails now in all 8 tanks, at least 4 or 5 in each one. Over the last few weeks though the ones in the 36BF started climbing out. I put one. Nerite Snails: A Staple Algae Eater in the Freshwater Hobby. Nerite Snails come from the Neritidae family, which boasts over 200 species, and are native to the Pacific Ocean and the Caribbean Sea. They are found worldwide and live in rivers, creeks, streams, lagoons, lakes, ponds, even mangrove swamps I was never a fan of snails, but after making the mistake of buying fish at Walmart once (back when they sold fish) I ended up with a couple snails in my tank. That couple soon turned into many. My tank was full of tiny little snails. These gross-..

Tank Has Become Overrun With Nerite Snail Eggs Nerite

  1. For one thing, nerite snails require brackish water to breed. Your nerite snails may still breed and lay eggs, but the larvae themselves require brackish water to survive. If you notice your nerite snails have laid eggs, you can carefully scrape them off the tank surface and transplant them into a more appropriate tank
  2. How many eggs do water snails lay? The number of eggs laid by a snail varies with the species. Generally, one snail can lay hundreds of eggs. According to the eggs hatching rate, the number of baby snail counts will be changed. How to identify snail eggs. Snail eggs are tiny and round. The size of snail eggs is around 2-3mm. It has a jelly-like.
  3. Ramshorn snails are hermaphrodites so have both male and female sexual organs. This type of snail doesn't need a partner, they will reproduce asexually. They will start breeding at about 1.5 to 2 months old. When reproducing they will lay a jelly-like mass of roughly 10-12 eggs under the water
  4. How to tell if mystery snail eggs are fertile. A fertilized egg with a tiny developing snail in it should have what looks like a little black spot in the middle of the egg. The eggs will look larger and fuller with more irregular shaping. The color of the eggs will start to vary as time goes on, showing that they are indeed alive
  5. Only the females will lay these eggs ready for a male to come and fertilize them, but it's essentially impossible to identify a Nerite snail's sex by their appearance, so you'll need to hope for a male if you want to avoid the eggs. Some hobbyists keep their new snails in a separate container for a few weeks to see if they lay eggs before.
  6. Only the girls lay eggs, which are actually tiny capsules full of even tinier eggs, as it happens. But yes, for some, their eggs can be a pain. They use a very hardy glue so it's not easy to get them off rocks, though it is not difficult to scrape..

Nerite Snails Eggs, Breeding, Reproduction and Behavior

No, though most snails lay eggs rather than having live births. They do not die immediately after laying, but do not live very long as adults. Many larger species survive for several years as adults and lay many clutches. A few species are viviparous, but basically it is just that the eggs hatch inside the mother Physical Description, Size, & Lifespan. Nerite snails (Neritina natalensis) are quickly becoming one of the favorite snails in the aquarium community.. This is aided by the fact that there are so many different color variations, and this snail overall is hardier.. Different nerite snails will grow to different sizes, but on average, they're about 0.5 - 1 inch An attractive snail that will not multiply. They may lay eggs however, but they will not hatch, as the young need brackish, and or saltwater conditions due to the fact that larvae need the saltwater's calcium, and minerals to build up their shells; for that reason, you will have the most success rearing them in full-blown marine saltwater, and.

Video: Nerite Snails - Detailed Guide: Care, Diet and Breeding

Nerite Snail Care: The Complete Guide - Tiny Underwate

Nerite Snail eggs are hard and will need to be scraped off to be taken out of the tank. Even though Nerite Snail eggs can be somewhat annoying, the advantages of these types of algae eating snails outweigh other types of snails that do reproduce in fresh water. This makes Nerite Snails a smart choice if you want to add a snail population to. The substrate should be sandy. Nerite snails like sand and they can easily dig it. This is close to their natural habitat. This is also recommended to add cave-like aquarium rocks to provide nerite snails some space to hide in. If your nerite snails like to crawl out whatsoever then don't panic and lower the water level a bit

What Eats Nerite Snail Eggs? - Born For Pet

There are some signs that a garden snail is dead. Here are the ways. This is because snails are hermaphrodites, meaning that they have the reproductive organs of both sexes on them, therefore they are able to produce both sperm and eggs. Extensive slug damage to hosta plant. Maybe 30 to 20 eggs depends on the tip of the snail. Giant African Land Snails are hermaphrodites, meaning that one. Most snails can reproduce asexually, except the nerite snails don't. Female produces horned nerite snail eggs, and the male fertilizes it, like with the fish. The eggs will spread in the tank and will become larvae in a few weeks. If you have a keen eye, horned nerite snail eggs look like white lines or dots If you're interested in learning more about livebearers, check out my article on Japanese Trapdoor Snails. Other snails lay their eggs on plants, rocks, or even the glass of your aquarium. These egg-laying species include Mystery Snails, Apple Snails, Ramshorn Snails, Assassin Snails, and Nerite Snails. Reproductive Type Snails reproduce in 3.

A Creative Approach to Controlling a Deadly Snail

How Long Before Nerite Snails Lay Eggs? I Bought Two

Horned Nerite Snails require pH between about 6.5 and 8. Relative water hardness for Horned Nerite Snails should be in the range of 6-12dH. Horned Nerite Snails are hardy species and are able to withstand captivity fluctuations. Max Size ~1 Horned Nerite Snails can grow up to 1 but are often found at a maximum size of 3/4 It is practically impossible to sex these snails unless you see a female laying eggs. The female will lay eggs in freshwater, even though they will never hatch. The eggs are extremely difficult to remove unless you have a razor blade. The nerite snail only has their antennae exposed. So they will be able to coexist with any betta These snails have distinct female and male genders, but it's extremely difficult to differentiate them. You won't identify a female nerite snail until you see it laying eggs. Laying eggs doesn't necessarily mean reproduction. Female nerite snails do lay eggs, but they never hatch. You can only remove the eggs from the aquarium surface.

Nerite Snail Care: Types, Breeding, Eggs & Lifespa

After reading about the egg deposits left by nerite snails, I was concerned. But, I got one anyway, to find out. Thankfully there are no calcified egg deposits, and I can continue to keep it in the main tank. But, I am curious about people's differing observations about these snails and their egg-laying If you want to encourage your mystery snails to breed, we suggest lowering the water level in your aquarium 3 or 4 inches, as the female will crawl out of the water to lay her eggs an inch or so above the water line. The eggs are light pink in color and are laid in a sort of cocoon, which looks like large, frothy clump I should have asked if it could be a nerite snail since that's what was laying eggs all over the place. I agree, not a strombus. But unless nerites grow into their shell, I agree, it looks like it has too much body to be even nerite

Nerite Snail - Care, Feeding, Tank Mates & Breedin

The Nerite Snail has a lifespan of between 1-2 years and grows to approximately 1 inch (2.5 cm) in size. And when it comes to water conditions and water temperature the Nerite isn't fussy. Nerite snails thrive in a temperature between 70-81 Degrees Fahrenheit (21 - 27 Degrees Celsius), with a pH level of between 7 and 8 Once the snails are comfortable in their environment, they will lay eggs that will soon hatch into larvae without shells. The young snails will develop shells, and after some time may be placed in either a brackish water or freshwater aquarium. What to Expect from Us. We generally ship young adult Nerite snails that may or may not be fully grown Nerite snails can be very common on our rocky shores. They lay their eggs in pools and among small stones, watch your step! The shell's features protect them in the harsh dry area where they live

If the snail is bigger than the mouth of the goldfish it will be safe to keep the snail with the goldfish. It is recommended to keep larger snails with goldfish such as Nerite or Mystery snails. If the goldfish are really hungry they might try to nip at the snails, But the snails will be able to hide in their shells and get away from danger At least 8 hrs light a day. No worries, Nerite snails need brackish water to breed in, so won't likely do that in fresh water. Your substrate/rock might trap food, you might want to try a finer gravel, or Flourite substrate (plants like it ) or even sand Nerite Snails are a perfect natural way to control algae! They will not eat your plants, are easy to maintain, are very hardy, and have a life span of about a year. They will thrive in freshwater, but, will not reproduce and multiply in freshwater, they require brackish water for breeding

Freshwater Snail Eggs: What to Expect, and How to Remove

  1. Ramshorn Snails will lay batches of eggs around the aquarium. They can be seen with the naked eye and should be removed. Removing the eggs from the aquarium is not a viable way of eradicating the problem. Ramshorn snails will lay eggs on plants, substrate and hardscape. This makes it nearly impossible to completely remove this snail
  2. Description. Totally safe with any fish, plant or shrimp, these snails are considred the best algae eaters among many aquarists. They will also never reproduce in your freshwater aquarium. Tiger Nerites will grow to about 1 - 1.5 inch at most and will thrive in virtually any tank. ×
  3. After laying a clutch of eggs, snails are generally ready to reproduce again in six weeks throughout the year. Snails lay between 30 and 140 eggs at a time; that's nearly 480 snails a year! The mating of two snails is possible but extremely painful for both snails, so it's not necessarily encouraged. For two snails to mate, one snail.
  4. 7. Separate baby snails from adult snails. During the process of rearing your snails, the snails that are mature fertilize each other whether male or female. The snails lay their eggs in logs. Then, the eggs hatch between four to six weeks. Separate the baby snails from the adult (mature) snails, so the baby snails can grow properly
  5. g film algae. With sufficient food, they will reproduce and lay egg capsules on the glass walls of the aquarium. Nerite snails are mostly nocturnal and will show little to no activity during the daylight hours. Will stay mostly on glass and hard surfaces eating film algae

Nerite Snail (Nerita sp

I have 10 Cerith snails that hang out on the glass a lot and I noticed the snails producing these lines. I suspect that they are Cerith snail eggs, just as SushiGirl suggested. <<And that is the most likely explanation. Cerith snails are known to lay their eggs in geometric patterns.>> Thanks for your time; Kevin <<Cheers, J -- >> Keep in mind that snails eggs are VERY small and they could be everywhere, so don't be lazy. Clean and dry everything thorougly, put it back and refill your aquarium. For extra safety, keep your plants quarantined in an alternative tank for a week or two. If any snails appear, crush them. Preventive measures: how to control snails in your. Water your soil in the morning to reduce egg laying. Snails need to lay eggs in moist soil. Since they typically lay eggs while they're active at night, you want the ground to dry out before nightfall. If you water your plants in the morning, the ground should dry out over the course of the day

The Ultimate Guide To Caring For And Keeping The Nerite Snai

Some snails, such as the Mystery Snail and Nerite Snail sold in fish stores are nice additions to aquariums and do not readily multiply in the aquarium, But Pond Snails, Rams Horn Snails and Trumpet Snails can rapidly reproduce and overrun a tank quickly. One day you gaze at your aquarium and notice a small snail on the glass. It looks harmless. Even sol, bleach is one of the most effective ways to get rid of snails and their eggs. Alum - Soak the plant in a gallon of water with 2 tablespoons of alum for 2 to 3 days. Do not forget to rinse well before you plant it in your aquarium. Saltwater - For 15 minutes, soak your plants in saltwater

Not all snails are uncontrollable. I have nerite snails which do lay eggs, but the eggs only hatch in brackish or salt water. Nerite snails are great algae eaters and don't damage plants. I have also had Japanese trap door snails and they give birth to living young, but not very many Really, my little Biocube 14 has nerite snail eggs all over. At first I thought they were just laying them on the back plastic wall. Nope. If you look at the rocks, they are all over the rocks too. I only have 5 of them too. Even when the eggs get ripped off, open, get eaten, etc, it leaves a ring

Like pond snails, they are prolific breeders, but they are live-bearers who don't lay eggs. Be aware that we aren't talking about Apple Snails, Mystery Snails, or other aquarium pets. Those are snails you intentionally add to your tank, and if you have them you need to consider them in your approach to dealing with pest snails The other extreme is the winter cold, which most snails cannot endure easily. Many slugs, e.g. the large round back slug species (Arionidae), die in autumn after laying their eggs.But many other snail species can hibernate and grow to several years of age Oregon. March 12, 2002. Posted March 3, 2005. Yes they will lay them on the rocks. There aren't too many flat glass panels in the ocean. If memory serves me right, it took about 2 weeks for the eggs to hatch into free floating larvae. greatreef16- congrates on having them survive, mine never did survive for very long Hi I was worried about my mystery snail. This helps with aquarium maintenance and prevents the build up of phosphates. These snails are also excellent sand sifters and will bury themselves in the sand. 4 comments. We got a male Betta and a Tiger Blood Nerite snail. Oct 21, 2005 227 0 0 Ithaca, NY. Snails don't need to be fed every day, since a good part of their diet is algae

Get rid of snails as well to prevent them from laying eggs. Look under leaves, loose boards and plant pots for snails, and discard the sails in sealed plastic bags After that, both snails lay their eggs and bury them in separate places inside a small hole made in the topsoil in a cool place. The mating process of snails allows them to deliver eggs at a consistent rate. It will typically take a snail egg two to four weeks to develop. (1) As soon as they hatch, they will immediately move into a survival. A low temp might cause the snails to be put off and prevent the laying of eggs. Nutritional Needs. Assassin snails are a species that is a pure carnivore, so they do not need any vegetation to survive. For the most part, they simply ignore plants and algae. So this means that unlike most snails they won't help reduce the algae in their tank. Filter media might also contain some of the snail eggs took in by the filter system. Wash the filter media gently by using aquarium water conditioner treated water or old tank water. Do not use untreated tap water to avoid damaging the good bacteria colony. 4. Introduce Natural Predators for Aquarium Snail Control

Red Onion Nerite Snail *Vittina Semiconica* Algae EaterBaby Gold Rabbit Snail, Tiger nerite snail - YouTube

Horned Nerite Snails consume debris contributing to lower nitrates. Stocking Guide. Malaysian Trumpet Snails are very good at consuming debris and aerating the substrate. However in large numbers they will require supplemental food. For this reason it is wise to stock no more than one snail for every 2 gallons of aquarium water Read on to see the magic of the mystery snail unfold before your eyes. I hope you're ready for it. The mystery in mystery snails is that they will not reproduce under water! That's right, you will not get more mystery snails in your tank under water. Their secret is that they actually lay eggs above water, and hope they stay moist enough to hatch If you don't want your mystery snail population to multiply, your best bet is to remove egg clusters whenever you see them. eval(ez_write_tag([[250,250],'jaljeev_com-medrectangle-4','ezslot_3',122,'0','0']));Aquarium snails will reproduce once they're older than 1 year and live for 3 to 7 years on average.eval(ez_write_tag([[250,250],'jaljeev_com-box-4','ezslot_2',107,'0','0'])); Snails. Ramshorn snail often lay their eggs around the Aquarium. The eggs can be seen clearly by the naked eye and you should immediately get rid of. Although, releasing this snail eggs could not deal with the problem, because the Ramshorn snail will also lay their eggs on the substrate, plant and hardscape

Baby Snails? - Aquarium Advice - Aquarium Forum Community

Sometimes they arrive with the fish, having been scooped up when the fish was netted at the store and were added to the aquarium with the water in the transport bag. Some people use a bleach solution to kill off snail eggs, but I have never resorted to that. What role do snails play in the environment? The soil shelters the eggs and helps keep them cool. Perfect Snail Egg Conditions. Once the. Assassin Snails will also feed off of the eggs from other snail species. If those aren't available, shrimp fry and bloodworms do just fine. You may also find your snail snacking on brine shrimp or leftover flakes that fall to the bottom of the tank. One nice thing about Assassin Snail care is that you don't need to worry about overfeeding

Algae Eating Olive Nerite Snail | Arizona Aquatic Gardens

While not yet as well established as turban snails for the 'cleanup crew' in reef aquariums, nerites do have many fans and are gaining in popularity. Considering how prolific nerites are in their natural habitat and how frequently they lay eggs, they would seem to be an ideal candidate for captive propagation Black stripes or dots on a light brown to orange shell. They are laying big white eggs which are difficult to remove from the glass or other things in the tank. Breeding in freshwater is not possible. These snails are harmless for healthy plants. Sometimes they leave the water but that happens not as often as by other snails of this genus in case of lack of algae nerite snails will not eat your aquarium plants; need sufficient calcium, overcoming shell damage calcium can be added to a small piece of cattle bone or nerite sand in an aquarium; Picture: 3 Nerite Snail eggs on a plant in Fish Tank. females lay eggs, size of sesame seed on plants and glass, driftwood, and rocks Not all snail eggs will hatch, some snail species will lay eggs that will never result in a snail infestation. The Nerite snail for example lays eggs from time to time but the eggs need salt-water to hatch. The best way to prevent snails from getting into your shrimp tank when you get new plants: Wash the plants with chlorine and rinse the. Where snails are reared does not smell unlike poultry farming. 5. Snail reproduction. Snails reproduce eggs up to 80 and above during reproduction years and since there is no difference between male and female because each snail can fertilise the other and they begin laying eggs 8-12 months after becoming sexually active. 6