When they transform, their eyes turn a shade of electric blue or bright gold, while their canine teeth lengthen to become pointed fangs.
His hair is thus electric blue, and his eyes, which he thinks were once blue, are violet.
In the aquarium trade, the fish is frequently known as the bluegray mbuna or electric blue johanni.
These often use electric blue cloth, since this color attracts the flies.
It is widely sold in the aquarium trade under a variety of names, including the "blue crayfish" or "electric blue crayfish".
The margin of the parapods and body are marked with a fin electric blue line.
Bluefin trevally are easily recognised by their electric blue fins, tapered snout and numerous blue and black spots on their sides.
Males range from a bright electric blue to pale green, a purplish blue, or a relatively dull blue/green.
