Oh, look! Itโs a cute drawing, maybe an inspiration for a new Pokรฉmon? Or is it an amazing 3D graphic?
All wrong! This cutie is real. Yup, youโve read it correctly. Itโs alive and as real as it gets. Meet the adorable, cute, and beautiful Costasiella kuroshimae. We can just refer to it as the โleaf sheepโ, โShaun the sheepโ, or simply the cutest sea slug ever!


We may have seen so many discoveries about life under the ocean. Until now, we are not yet sure of the wonders that the ocean holds. So many left unexplored and whenever we are able to find new specie, we become eager to study about it. To get to know it more and to appreciate how it lives.
Just like this beautiful green sea slug called the โleaf sheep.โ
Itโs a species of sacoglossan sea slug which is a shell-less marine opisthobranch gastropod mollusk and is a member of the family Costasiellidae. Before we get confused with all these terms, letโs just appreciate how beautiful this creature it.
Canโt even stop staring at it โ itโs too cute!


Cuteness overload!
You may think that this creature is straight from a cartoon sheep character but itโs not. Though, who can blame us? Look at those cute little eyes?
An amazing phosphorescent, leaf-like body, those adorable ears, and did we mention it also has those pink cheeks? Oh, we just canโt get enough of this adorable sea slug! In fact, it may just be the prettiest slug in the entire ocean! Who agrees?
Look at these photos and you would even think it knows how to strike a pose for the camera!


The amazing Costasiella Kuroshimae
The Costasiella Kuroshimae can actually grow up to 5mm in length. It can be found near Indonesia, Japan, and even in the Philippines!
What is amazing about this beautiful creature is that they belong to one of the only sea creatures in the world that can actually perform photosynthesis!
So, that is the reason why they look like that! Now, thatโs awesome!
Though, the question here is how do they do that?


When one of these fascinating animals eats algae, they also suck out the chloroplasts in the algae. This means that they are able to incorporate them into their own bodies and in their system. This process is called kleptoplasty.
Amazing and cute creatures! We love them even more!
Depending on their diet and the algae from where they are found, there may be a slight difference from their looks. Some have a longer and browner band, some shorter. Some leaf sheep actually have some brown spots and some have pink tips, some cream in color.


No matter the variation, no matter what new information can come out from their studies, this beautiful sea creature has already captured our hearts. Theyโre amazing, fascinating, adorable, and most of all, we must do our best to keep our oceans clean.
This way, these beautiful creatures will have all the algae that they will need to flourish!
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