Invisible Animals That Surprises the Scientists Pt-1

- In the animal kingdom, every day is a great big game of survival hide-and-seek. But some creatures take hiding to a whole new level, by becoming nature's sneakiest masters of disguise. From shade-shifting squid to concealed creepy crawlies, keep your eyes open as we go on the hunt for some of the animal world's greatest masters of camouflage and invisibility.

%Story time! sepioteuthis squid%

This is a Sepioteuthis squid, a genus of pencil squid that has a very special superpower, the power to turn itself invisible. Squid are part of a group of mollusks called cephalopods, and like many cephalopods, they get their camouflaging abilities from special cells hidden within their skin called chromatophores. Each chromatophore is surrounded by muscles that stretch and contract the cell to control the spread of the inky pigment within. When the sacs inflate, the ink inside them spreads out along the cephalopod's skin and can make the creature appear a completely different color, or even transparent.

Another cephalopod with this color-shifting ability is the glass squid, who, much like the Sepioteuthis squid, can transform from transparent to inked up in a matter of seconds. Despite their camo capabilities, it might surprise you to know that most cephalopods are actually colorblind themselves, seeing the world in black and white. So how can they adapt their color to their surroundings? Well, here's where it gets crazy. Many scientists believe that the color mimicry process is thanks to the squid's skin containing the same sort of light-sensitive proteins as the human eye, meaning that the skin itself can sense the color composition of its surroundings and change color accordingly. Pretty wild, right? So while Violet Parr might be Pixar's invisible part , these squid games show who really holds dominion over our world when it comes to being able to fit in no matter what%.

Satanic Leaf-tailed Gecko. They say that you're better off with the devil you know than the devil you don't, but unfortunately for the prey of this next invisible assassin, there's no way they'll have a clue what's hit them, until it's too late. Spotted anything yet? This is the ominously named satanic leaf-tailed gecko, a native of the island of Madagascar that has an ingenious way of blending into its forest habitat. With an unbar-leaf-able appearance, this species of gecko has the special ability to masquerade as a leaf to hide from prey and predators alike. The satanic leaf-tailed gecko is nocturnal, and does most of its hunting in the dead of night, guising as nothing more than an unsuspecting piece of plant life before pouncing to feast on unsuspecting insects. As day rolls around, the gecko transitions from the hunter to the hunted, at which point their unbelievable camouflage obscures them from any potential daytime predators, including the fossa, a cat-like creature that prowls the Madagascan forests. The gecko's evolved ability to remain undetected is exactly what's allowed it to survive so successfully to date. Thanks to gradual mutations over generations and generations, those members of the species born with more leaf-like traits were given more chance of surviving long enough to reproduce and pass those traits onto their young. This amazing process of natural selection explains how many of these bizarre camouflage abilities emerge in nature, as crazy as they may seem. Aside from the satanic leaf-tailed variety, there are many other species of leaf-tailed gecko all over the world. Many leaf-tailed geckos have flaps on the sides of their bodies and jaws, which flatten against camouflaging surfaces, making the gecko's outline almost indistinguishable. Satanic or otherwise, the leaf-tailed gecko certainly proves that when it comes to disguise, the devil is in the detail.

This pt-1 of ( Invisible Animals that surprised the Scientists). Soon part 2 will come.