Sea cucumber with small, just 3.5 centimeters above the Middle trunk features a silver grey bar. The sides are dark blue with the tail end is 6 overall rayang rayang, there will be no separate out small Orange look like fingers. Called Cerata which are used for swimming.
Typically we will see them only in the sea breeze blows up to the beach to take your bait and blows them into an area near the beach. Floating on the water surface they are blowing up the shallow beach KOEI.
They eat organisms that have venom is a Portuguese Man o ' War, such as food, maybe they just ate. They are poison and poison immunity that they ate, it could also lead to the accumulation and toxic Cerata area, bag it, that his collection. The venom from their prey, it has broken again, and they will take gas in stomach holding luen to float because of the position of the stomach makes them float to the back of. Make a dark blue belly that is floating at the top bird in order to deceive from the top, I think it is the stomach and back with a silver gray on the bottom to camouflage their fish hunters from below as the sky.