The pale referred to in the idiom is usually taken to mean the English Pale, the part of Ireland under English rule, and therefore, as perceived by its rulers, within the bounds of civilization. pale see: beyond the pale
For the food, see Salmon as food. The chum salmon (Oncorhynchus keta) is a species of anadromous fish in the salmon family. It is a Pacific salmon, and may also be known as dog salmon or keta salmon, and is often marketed under the name silverbrite salmon.
For the insect, see Machaca (insect). Machaca ma'tÍ¡Êaka is a traditionally dried meat, spiced beef or pork, which has been rehydrated and used in the popular local cuisine of Northern Mexico and Southwestern United States and which is easily available from many ethnic groceries and supermarkets in these areas.