Grunion bluish-green backs and silvery sides and bellies. Their snouts are bluntly rounded and slippery. Silversides differ from true smelts of the family Osmeridae in that they lack the trout-like adipose fin. Young grunion grow rapidly and are about five inches long by the time they reach one year old and are ready to spawn. Adult fish normally range in size from with a maximum recorded size of (La Jolla, Ca., 05-11-05). Average body lengths for males and females are , respectively, at the end of one year; at the end of two years; and at the end of three years.
USS Grunion Iwasaki. He sent them a translation of an article written by the officer who had commanded the merchant ship "Kano Maru". The article described an encounter with a submarine near Kiska Island in the Aleutians about the time the "Grunion" was reported missing. Several years later, John Abele, cofounder of Boston Scientific, met Dr. Robert Ballard, famous for discovering the RMS Titanic's wreckage. Ballard gave him advice on how to locate a shipwreck, and Abele decided to fund an expedition to find the lost submarine "Grunion". In 2006, Williamson Associates, using side-scan sonar, located a promising target at almost at