02-09-2011, 04:19 AM
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Plumkin, these snails are not like yours. Lisa owns sexual snails, Pomacea diffusa. These are sex-specific meaning in order to produce fertilized eggs, a male and a female must mate. Fortunately (or unfortunately for those who hate a mess of egg clutches), these snails can store sperm for months and are able to produce several batches of egg clutches in a few months though the fertility rate diminishes with every clutch.
You need to ensure there is high humidity for the eggs to hatch. It takes 3-5 weeks on average to incubate the eggs. When hatching period nears, the clutch should turn ivory-blue and will crush at a gentle touch. Don't worry about crushing the clutch gently near hatching period. The babies will eat their way out and drop into the water to search for foods. Feed them soft foods first. Flakes will work well for them or try to allow algae to flourish until they are big enough to eat pellets, vegetables, etc.
If you want to incubate the eggs yourself, scrape them off with a razor blade. Don't worry if the eggs sticking on the glass crushed. It's bound to happen with a blade. Then wrap the clutch in a damp paper towel and stuff inside a tupperware with small holes for air. This will ensure the humidity is trapped allowing the eggs to hatch quickly. Avoid putting the eggs too close to aquarium lights or they'll dry up quickly and avoid allowing them too wet or soaked, or this will drown the embryos.
Best raise the snailettes separately in a rearing tank with floating plants only. Keep it bare so you can clean the tank easily for lots of poop. Breeding traps are not an option since they can slip into the slits/holes easily.
Should be easy to identify their color after a week or two. Keep temperature at least 76 degrees to regulate their shell growth and shell thickness. Accelerated growth as a result of elevated temp will age them quickly and permit very thin shells prone to injuries.