A perch fish typically has a deep body with striped markings running down its sides. They have a spiny dorsal fin and anal fin, and their coloration can vary from greenish to yellow or brownish. Perch are known for their sharp spines on their dorsal fin that can cause injury if handled improperly.
http://en.wikipedia.org/wiki/Actinopterygii They are ray-finned. Search for 'perch' on that page and it says on there =]
A "jack salmon" is actually a pike like Perch fish, not a salmon at all
True Yellow Perch (perca flavescens) originated in many areas of the Northern Hemisphere, especially in the Great Lakes region of the United States. That said, no fish name is more misused on restaurant menus than "perch". If in a restaurant, you see the word "perch" on a menu, and it is clarified as "Ocean Perch", "Rock Perch", "New England Perch", or "White Perch", it is a different, and almost invariably, inferior fish. Look for "Lake Perch", or "Yellow Lake Perch". That's the "Real McCoy".
You spell it like this - perche
I wish I could perch on a branch like a robin.
Perch have bands of brush like teeth on their jaws and on the roof of their mouth.
they like to sleep on a perch
The plural of perch, when referring to a bird's perch, is perches. The plural of perch, when referring to the fish, remains perch.
Most species of perch can be caught on live bait like minnows or worms. Will hit crankbaits and spinnerbaits too.
Perch are segmented fish and forms a pattern that appears like a zigzag. Perch are fish found in freshwater and have an oval body shape.
The true perch is perca flavescens, and is indigenous to the Great Lakes watershed, most of the northern tier of states and up to central Canada. They are most commonly called "Perch", "Yellow Perch" and "Lake Perch". That said, "perch" is one of the most misused terms in the restaurant industry, being used to describe half a dozen different fresh and salt water fishes, some of them not remotely like Yellow perch in flavor or quality.