TOPIC2

 Copulation

  There is no distinction between male and female in the sea slug. Sea slug of one animal has both genitals. However, it is not only lays eggs in the sea slug of one animal on its own. Segment folder for blood to become thick and mating with another individual.A small sea slug for very difficult to find a partner in the world of the open sea. Even if you are able to finally meet each other male and female among I can not leave descendants. If hermaphrodite, you will be able to carnal knowledge without confirming the gender of the person, both lay eggs. Sea slug mating is performed by combining the reproductive tract of each other on the right side of the body. Shape of the egg is massive and many other spiral, ribbon-like, tangled, the number of eggs that lay at one time spans up to 2 million units.

　Some types can be not only to fertilize the egg of his sperm got from the other party, to absorb as a nutrient source.Encounter between the sea slug is sometimes not always a happy ending, if one ate the other party. In particular, it seems often the case when different species.

Scene of mating sea slug

　By the way, the explanation of sea slug's in "Animal Forest" game for Nintendo's wildly popular, ... What "The Marriage of sea slug, which is also the female is also a male. Ones daring to marry with anyone if someone who met anyway," seems to is. And　we are so that you can fish all day and the sea slug, in the sea all year round. In addition, 200 Bell and the price of sea slug seems pretty cheap.

　But I also believed that spawning major event held in the second half of the short life that lay eggs, the life of the sea slug is nearing the end for the sea slug that can not be raising children. The timing of spawning of sea slug is not necessarily determined, naturally spawning the mating between a mature sea slug If sea slug encounter. Seems faster growth of sea slug and egg hatch in the southern island of warm  sea ,and egg hatch is also can be seen all year round egg of some kind of sea slug.

Berija larva 

　Period from egg to larva until the birth, which varies by the type and temperature of the external environment, it seems that many things to hatch in about 1-2 weeks. Just called　Berija  larvae was born, to live suspended. Berija larva has a shell and cilia, when the floating life while eating such as plankton, found things to be their prey, an epiphyte on their prey, changes in the shape of a sea slug. In many species of sea slug, shell is shed at this time, some kind of growing the shell as it is admirable.Some things that are in the shape of a sea slug from the time they hatch from eggs as larvae without floating Berija life in a part of the companion of sea slug.




　In addition,  "Mikado sea slug " called　with English names as "Spanish Dancer" from the figure that swim like dancing underwater in body color red passionate has the shape. And it has beautiful colors and such as rose red egg masses.Sea slug is delight in a new different charm.

 Mikado Sea slug  of egg   

 Mikado Sea slug