Symothoa exigua



This animal called Symothoa exigua.
It looks really horrible, look like an alien.
This is the parasite which parasitize in mouth of fish.
It's size is about 3~4cm.
Symothoa exigua is crustacean.





They invade to fish's gill,
They settled in the mouth by their hook.
When they settled in the mouth.
They sucked blood of tongue.
Then, the tongue degraded, because the tongue lost the blood.
And, Symothoa exigua become a tongue of a fish.
It is really disgusting.



The fist never feeling pain ot hurt.
Moreover, Symothoa exigua delivered taste to fish.
Also, Fish can control it.
Fish never felt inconvenience.
Fish use it naturally.




When, It become adult. They leave from a fish.
And they growing really huge.