Barnacle (slang) in the field in order to correct a design or manufacturing defect. The term appears to have originated from the crustacean barnacle which is an animal that attaches itself to rocks, docks, ships, whales, and other objects where it grows. A barnacle in electronics is something added to the manufactured product. Typically a barnacle on a circuit board is very noticeable, much like the mollusc variety on a rock in the sea. While the term was originally used with electronic hardware, it has also migrated into the software industry where is it is used to describe software that is added
Ivory barnacle become planktonic. They pass through six naupliar stages and one cyprid stage over the course of one to two weeks. The nauplii feed on phytoplankton but the cyprid larvae do not feed. They search out sites for settlement, possibly following chemical cues from already established adults or testing the substrate for suitability. Once settled, they cement themselves by their heads to the surface and undergo metamorphosis into juvenile barnacles. Ivory barnacle Amphibalanus eburneus, the ivory barnacle, is a species of acorn barnacle in the family Balanidae. It occurs on the east coast of North America, the Caribbean Sea and Gulf