The cobia (Rachycentron canadum) is a species of perciform marine fish, the only representative of the genus Rachycentron and the family Rachycentridae. Other common names include black kingfish, black salmon, ling, lemonfish, crabeater, prodigal son and black bonito.
Volvo's pedestrian and cyclist detection system, which debuted in 2013, uses a radar unit integrated into the car's grille, as well as a digital camera embedded in the interior rear-view mirror, to monitor a field of view several yards in front of the car.
In addition to the new Canary System, there are several other caries detection systems on the market today, including DIAGNOdent by KaVo, The Caries ID by Dentsply Midwest, Spectra Caries Detection Aid System by Air Techniques, and the CS 1600 by Carestream Dental. Each of these employs a different technological means of caries detection.