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An illustration of birds sitting on a branch passing a cherry.

Birds on Branch

An illustration of birds sitting on a branch passing a cherry.

An illustration of birds sitting on a branch.

Birds on Branch

An illustration of birds sitting on a branch.

Two blackbirds on a perch.

Blackbirds

Two blackbirds on a perch.

Climbing perch, a type of bony fish found around India.

Climbing Perch

Climbing perch, a type of bony fish found around India.

A typical example of a spiny-rayed fish is the codfish.

Codfish

A typical example of a spiny-rayed fish is the codfish.

The Comber (Serranus cabrilla) is a small fish of the Serranidae family of perch-like fishes.

Comber

The Comber (Serranus cabrilla) is a small fish of the Serranidae family of perch-like fishes.

Genus <em>Gypohierax</em>, is about the size of a goose, and is found in Western Africa, particularly Angola.

Vulture Hawk

Genus Gypohierax, is about the size of a goose, and is found in Western Africa, particularly…

"Hyoid bone of the Perch." &mdash; Encyclopedia Britannica, 1893

Hyoid Bone

"Hyoid bone of the Perch." — Encyclopedia Britannica, 1893

A domesticated red and blue macaw, perched above a pair of dogs.

Red and Blue Macaw

A domesticated red and blue macaw, perched above a pair of dogs.

An owl, perched.

Owl

An owl, perched.

An owl perched on a book, with a branch in the background.

Owl and Book

An owl perched on a book, with a branch in the background.

External features of a perch.

Perch

External features of a perch.

digestive, excretory, and reproductive systems of a perch.

Perch

digestive, excretory, and reproductive systems of a perch.

Circulatory system of a perch.

Perch

Circulatory system of a perch.

"An embiotocoid fish, with small scales, uniserial and jaw teeth, and lip free and deeply cut along its margin."-Whitney, 1902

Perch

"An embiotocoid fish, with small scales, uniserial and jaw teeth, and lip free and deeply cut along…

A genus of fish including many species, and found widely distributed both in salt and fresh water. They are especially abundant in the northern part of the United States and Canada, and are found in the ponds, rivers, and lakes of nothern Eurasia and off the coast of these and other regions.

Perch

A genus of fish including many species, and found widely distributed both in salt and fresh water. They…

"Brain of Perch. Upper aspect. a, cereoellum; b, optic lobes; c, hemispheres; e, lobi inferiores; f, hypophysis; g, lobi posteriores; i, olfactory lobes; n, nervus opticus; o, nervus olfactorius; p, nervus olulo-motorius; g, nervus trochlearis; r, nervus trigeminus; s, nervus acousticus; t, nrvus vagus; u, nervus abducens; v, fourth ventricle." &mdash; Encyclopedia Britannica, 1893

Perch Brain

"Brain of Perch. Upper aspect. a, cereoellum; b, optic lobes; c, hemispheres; e, lobi inferiores; f,…

"Brain of Perch. Lower aspect. a, cereoellum; b, optic lobes; c, hemispheres; e, lobi inferiores; f, hypophysis; g, lobi posteriores; i, olfactory lobes; n, nervus opticus; o, nervus olfactorius; p, nervus olulo-motorius; g, nervus trochlearis; r, nervus trigeminus; s, nervus acousticus; t, nrvus vagus; u, nervus abducens; v, fourth ventricle." &mdash; Encyclopedia Britannica, 1893

Perch Brain

"Brain of Perch. Lower aspect. a, cereoellum; b, optic lobes; c, hemispheres; e, lobi inferiores; f,…

"The bones of fishes are of a less dense and compact nature than in the higher order of animals; in some, indeed, they are wholly cartilaginous. The skeleton may in general be divided into four chief parts - the Vertical Column, the Head, the Repiratory Apparatus, and the Limbs" &mdash; Goodrich, 1859

Perch skeleton

"The bones of fishes are of a less dense and compact nature than in the higher order of animals; in…

"Skeleton of the Perch's Skull." &mdash; Encyclopedia Britannica, 1893

Perch Skull

"Skeleton of the Perch's Skull." — Encyclopedia Britannica, 1893

"Lower view of skull of perch." &mdash; Encyclopedia Britannica, 1893

Perch Skull

"Lower view of skull of perch." — Encyclopedia Britannica, 1893

A food fish.

Blue Surf Perch

A food fish.

"One of the best and handsomest of the freshwater fishes of that quarter of the globe." &mdash; Goodrich, 1859

European Perch

"One of the best and handsomest of the freshwater fishes of that quarter of the globe." — Goodrich,…

The skeleton of a perch.

Skeleton of Perch

The skeleton of a perch.

A surf fish

Surfperch

A surf fish

This is an illustration of the Yellow Perch. A perch is a freshwater bony fish belonging to the family Osteichthyes.

Yellow Perch

This is an illustration of the Yellow Perch. A perch is a freshwater bony fish belonging to the family…

A fish resembling the herring, but thicker and rounder, with the under jaw shorter, the back more elevated, the belly less sharp, and the mouth edentulous.

Pilchard

A fish resembling the herring, but thicker and rounder, with the under jaw shorter, the back more elevated,…

Steel rods connecting the pump inside well tubing down-hole to the pumping jack on the surface.

Sucker Rod

Steel rods connecting the pump inside well tubing down-hole to the pumping jack on the surface.

"A European species, six to eight inches long, closely resembling the perch, and valued for its flesh." &mdash; Goodrich, 1859

Ruffe

"A European species, six to eight inches long, closely resembling the perch, and valued for its flesh."…

Fishes are sometimes classed, in accordance with the structure of their scale, into Ctenoid, Ganoid, Cycloid, and Placoid. This is an illustration of a Ctenoid Scale of the Perch.

Ctenoid, Scale

Fishes are sometimes classed, in accordance with the structure of their scale, into Ctenoid, Ganoid,…

The fieldfare (Turdus pilaris) is a bird in the Turdidae family of thrushes.

Fieldfare Perched on Branch

The fieldfare (Turdus pilaris) is a bird in the Turdidae family of thrushes.