The European perch (Perca fluviatilis), also known as the common perch, redfin perch, big-scaled redfin, English perch, Euro perch, Eurasian perch, Eurasian river perch, Hatch, poor man's rockfish or in Anglophone parts of Europe, simply the perch, is a predatory freshwater fish native to Europe and North Asia.

Redfin perch, also known as English perch, is a medium sized freshwater fish native to northern Europe. First introduced to Australia in the 1860s for angling, redfin perch are now widespread across the cooler parts of NSW, ACT, Victoria, Tasmania, south-eastern South Australia and the south-western corner of Western Australia.

The Redfin perch is a pelagic carnivore with a diet that includes crustaceans (shrimps, yabbies and other freshwater crayfish), zooplankton and small fish such as Western carp gudgeon, galaxiids and Eastern gambusia, and the threatened pygmy perches. It is known to be cannibalistic, and also to prey heavily on newly stocked trout.

The European perch (Perca fluviatilis), also known as the common perch, redfin perch, big-scaled redfin, English perch, Euro perch, Eurasian perch, Eurasian river perch, Hatch, poor man's rockfish or in Anglophone parts of Europe, simply the perch, is a predatory freshwater fish native to Europe and North Asia.

There are distinct bright reddish-orange colouring of the pelvic and anal fins, as well as the lower half of the tail. Anal fin is short with 7–10 rays, and anal spines are large and well developed. The swim bladder is well developed. This species has 36–43 vertebrae. Native Range: Ponto-Caspian basin (U.S. EPA 2008). Baltic Sea.

European Perch. Other names: Common perch, Redfin perch, Big-scaled redfin, English perch, Eurasian perch. The European perch, Perca fluviatilis, is a freshwater fish native to Europe and northern Asia. It has a distinctive greenish body with dark vertical bars and a red-tipped fin.

Redfin are also known as European perch, and were introduced to Australia in the 1860s as a recreational angling fish. Redfin perch has since become widespread in southeastern Australia, particularly in Victoria, New South Wales, and Tasmania.

Redfin, or European, Perch are a medium-sized freshwater fish native to northern Europe. They will grow in excess of 60 cm and 10 kg, however in southwest waters are more typically seen at less than 40 cm and 1-2 kg. Due to extremely successful breeding, they are known to overpopulate areas.

Also known as English perch, redfin are a deep-bodied fish with two separate dorsal fins and a large extending mouth. The back is dark green and there are six or seven black bands along the sides of the body. The belly is white and the lower fins and tail are bright red.

Most perch in New Zealand are between 1–2 kg in weight. Perch prefer slow-flowing and still water habitats. They are strictly carnivorous and adults feed mainly on other fish. Perch have been shown to reduce the abundance of common bullies in lakes. They also reduce inanga, smelt and crayfish in lakes where they have been introduced.