Macropinna microstoma: A deep-sea fish with a transparent head and tubular eyes

MBARI researchers Bruce Robison and Kim Reisenbichler used video taken by unmanned, undersea robots called remotely operated vehicles (ROVs) to study barreleye fish in the deep waters just offshore of Central California. At depths of 600 to 800 meters (2,000 to 2,600 feet) below the surface, the ROV cameras typically showed these fish hanging motionless in the water, their eyes glowing a vivid green in the ROV's bright lights. The ROV video also revealed a previously undescribed feature of these fish--its eyes are surrounded by a transparent, fluid-filled shield that covers the top of the fish's head.

Transparent Butterfly

It comes from Central America and is found from Mexico to Panama. It is quite common in its zone, but it not easy to find because of its transparent wings, which is a natural camouflage mechanism.
A butterfly with transparent wings is rare and beautiful. As delicate as finely blown glass, the presence of this rare tropical gem is used by rain forest ecologists as an indication of high habitat quality and its demise alerts them of ecological change. Rivaling the refined beauty of a stained glass window, the translucent wings of the Glass wing butterfly shimmer in the sunlight like polished panes of turquoise, orange, green, and red.

All things beautiful do not have to be full of color to be noticed: in life that which is unnoticed has the most power.