Counter-illumination differs from countershading, which uses only pigments such as melanin to reduce the appearance of shadows. It is one of the dominant types of aquatic camouflage, along with transparency and silvering. All three methods make animals in open water resemble their environment.
Harper is a Scottish family name that has also commonly used as a given name. The name is believed to have originated in the Dalriadan region of Scotland, especially in the Lennox district, and is associated with Clan Buchanan.
Harper is the name of the Mormon wife in the play Angels in America. Harper is the name of Jennifer Stone's character on the Disney Channel's Wizards of Waverly Place. Harper's Island was a miniseries on CBS in 2009.