By Michelle Collier, RCDD. Fiber optic cable provides a low loss medium for high-speed communications. While. the continuous fiber cable itself is low loss, terminations at each access point provide a. potential Achilles heel. The biggest cause of signal loss across fiber optic connectors is. contamination.
The blue crab's scientific name, Callinectes sapidus, is from Latin and Greek: calli, beautiful; nectes, swimmer; and sapidus, savory-beautiful, savory swimmer. Like insects, blue crabs have stalked compound eyes and can see in almost every direction at once.
Although they are called blue crabs, these crustaceans may vary in color from blue to olive green. (Tonya Lane Rucker/Flickr). The blue crab is a swimming crustacean with bright blue claws and an olive green shell. It is one of the most recognizable species in the Chesapeake Bay.