famÂ·iÂ·ly pracÂ·tice. A specialty of medicine in which the physician takes responsibility for the health and medical care of all members of a family group, regardless of age or gender, but usually does limited amounts of obstetrics and surgery.
Description & Fascinating Facts. The Harbor porpoise, Phocoena phocoena, (a.k.a. Common porpoise), is a small cetacean with a rotund, stocky body that tapers toward the tailstock. This porpoise reaches a maximum length of 1.9m (6ft) and maximum weight of 90kg (198lbs). On average, Harbor porpoises are smaller, and do not exceed 1.5m (5ft) or weigh more than 60kg (132lbs).
These marine mammals can be found swimming throughout various parts of the Northern hemisphere in the North Atlantic and North Pacific ocean as well as the Black Sea. Harbor porpoises generally prefer shallow waters of less than 1,000 â 500 ft.hese marine mammals can be found swimming throughout various parts of the Northern hemisphere in the North Atlantic and North Pacific ocean as well as the Black Sea. Harbor porpoises generally prefer shallow waters of less than 1,000 â 500 ft.