An external fixator acts as a stabilizing frame to hold the broken bones in proper position. In an external fixator, metal pins or screws are placed into the bone through small incisions into the skin and muscle.n external fixator acts as a stabilizing frame to hold the broken bones in proper position. In an external fixator, metal pins or screws are placed into the bone through small incisions into the skin and muscle.
Cockatoo Squid This transparent cockatoo squid (Leachia sp.), also known as a glass squid, lives in the depths of the ocean and has many adaptations to help it survive there. It retains ammonia solutions inside its body that give it a balloon-like shape and help it float.
World Range & Habitat. Blue-ringed octopuses, Hapalochlaena maculosa, can be found only in the temperate waters of southern Australia, from southern Western Australia to eastern Victoria at depths ranging from 0- 50 m.esser (Southern) blue-ringed octopuses, Hapalochlaena maculosa, are the larger of the two and more common. When alarmed, they display smaller blue rings (hence the name lesser) that generally measure less than 2 mm in diameter.