My Mystery snails hatched in 10 days. Later on, cocoon around the eggs will harden and turn white. Mystery snails look very much like a typical snail when it comes to their build. The eggs look like clear little jelly bubbles that may have some coloration depending on the species of the snail. How Are Mystery Snails Different From Most Aquarium Snails? This operculum is a great way to determine whether the snail is alive and healthy, as it will fall off when the snail dies and will not properly close if something is wrong with the snail’s health. There are lots of other names for this snail including; mystery apple snail, golden mystery snail, spike topped apple snail and Pomacea australis. Let’s talk about this in detail now. Mystery snails (Pomacea bridgesii) are peaceful herbivorous invertebrates. The correct scientific name however is Pomacea bridgesii. The higher the temperature, the faster they hatch. However, most people will use the common name mystery snail or common apple snail. The colors are where you can start to differentiate between them and other species. The females hatch eggs within their bodies and give birth to live young. It can be brown to green, the foot is beige but the corners of are purplish and it is decorated with yellow dots. Check the snail pen every week or bi-weekly to pick up new eggs. The eggs then hatch in two to four weeks. When digging for snail eggs, do so gently so that you don’t crush the eggs. These look like Mystery Snail eggs. Fertilized eggs will usually change color slightly and start to show dark spots over a short period of time, which is an indication that the yolks are developing. Some of the most favored places where snails lay eggs include plant leaves, bricks, clay pots, and glass in an aquarium. The eggs are clear when they are laid, but as they grow they become darker, and after about 5 weeks, they hatch. As mentioned, this Mystery snail leaves his cocoon above the water and the eggs are pink. It would still be necessary to wait a week to 10 days to be able to tell this as egg development is unclear until that much time has passed. They look beautiful with long tentacles, attractive markings on the shell, and lovely colors. To maintain the moisture content of the soil especially in the northern area, use a hand sprayer to spray water lightly on the soil. They are live bearers, so they do not lay hard eggs on surfaces like many snail species do. The Japanese variety of this species is black and usually a dark green, moss-like alga covers the shell. It often looks fragile and damaged with something that looks like little holes, but it is normal and the shell despite its looks is strong. Depends on the female’s size, they can give birth from 1 – 15 (usually one or two live babies). They have the basic shell curve that you find on a multitude of different species. Like all snails, they are members of the class Gastropoda. Most snails lay eggs which look like small jelly blobs and stick on plants and other hard surfaces. In about 4 weeks, the eggs hatch and leave their mother. You can easily spot the eggs because they will look like a pinkish glob near the water line. The mystery snail’s operculum looks not unlike a large nail when the snail is in its shell. How to Care for Japanese trapdoor snails Eggs. The Chinese mystery snail, black snail, or trapdoor snail (Cipangopaludina chinensis), is a large freshwater snail with gills and an operculum, an aquatic gastropod mollusk in the family Viviparidae. You can expect live snails to emerge from the cocoon in about 15 – 24 days.