Environmental issues with salmon female by 5%, or 104 eggs. If a salmon enters a gillnet, but manages to escape, it often sustains injuries. These injuries can lead to a lower degree of reproductive success. A study aimed at quantifying mortality of Bristol Bay sockeye salmon due to gillnet-related injuries found that 11 – 29% of sockeye sustained fishery-related injuries attributable to gillnets, 51% of those fish were expected to not reproduce. The Columbia River salmon population is now less than 3% of what it was when Lewis and Clark arrived at the river. Salmon canneries established by settlers beginning in 1866 had a
Fish cosmetic palette for forward, and rear pectoral fins. Two forward arced lines form gill slits, and a yellowish eye is made with inlay. The Louvre dolphin type fish palette is a Naqada I, or II palette. It has simple fish fin grooves on its tail, and its dorsal fin, towards the rear. The palette has an inlaid white eye, (often of shell). Because of its extended length, it contains three suspension holes. The fish palette at the Kunsthistorisches Museum, Vienna, is more ornate than common fish palettes. It is a Bulti-fish type, and notable for a large cosmetic "mixing circle" adorning the