Then the snail carries its eggs with it. The rams-horn snail eggs do not hatch and become babies, as you can see in the picture to the right. A juvenile freshwater snail looks almost exactly like a very small adult. The newborn snails leave their mother shortly after hatching. In some cases their shell may be less curly, but in general they look almost exactly the same. The female who is pregnant usually will go up to the surface of the aquarium to lay eggs. In the snail, this begins with the development of miracidia into a sporocyst. Slugs are legless, unsegmented and boneless. Reproduction. These eggs are enclosed together in a jelly-like sac. This means that both sexes are present in them and as such they can fertilize and also be fertilized as well. The head region of a slug has two pairs of retractable tentacles, with one pair bearing eye spots. Either asexual or sexual reproduction occurs, depending on the type of host (Figure 1). A …

It digs a hole in soil and lays them in it. Snails lay anywhere from five to 45 eggs at a time. Unlike other snails the Ramshorn snail has a complex reproductive system that is quiet interesting. The schistosome life cycle occurs in 2 hosts: snails and mammals. The eggs hatch after four weeks. Sporocysts multiply and grow into cercariae. These snails are hermaphrodites. If this is the case the egg cluster will simply look empty or jumbled up. They are similar to snails, but unlike snails, slugs can live on land without requiring the calcium deposits needed to build shells.

Asexual reproduction occurs in freshwater snails. In gastropod: Reproduction and life cycles …fortnightly high tides or storms; L. littorea, on the lower half of the shore, also has pelagic egg capsules, which hatch six days later into veligers; L. littoralis, which lives on seaweeds that are rarely exposed by the tides, deposits gelatinous egg masses on the seaweeds, and the larvae pass… Read More Life Cycle of the Ramshorn Snail.

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