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"Cycloid scale of Gobius ommaturus." — Encyclopedia Britannica, 1893

Scale

"Cycloid scale of Gobius ommaturus." — Encyclopedia Britannica, 1893

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

Placoid Scale of Ray

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

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,…

"Ganoid scales of Dapedius." — Encyclopedia Britannica, 1893

Scales

"Ganoid scales of Dapedius." — Encyclopedia Britannica, 1893

Scales of fishes; cycloid scale (Pike).

Fish Scales

Scales of fishes; cycloid scale (Pike).

Scales of fishes; Ctenoid scale (Perch)

Fish Scales

Scales of fishes; Ctenoid scale (Perch)

Scales of fishes; Placoid scale (Thornback)

Fish Scales

Scales of fishes; Placoid scale (Thornback)

Scales of fishes; Ganoid Scale (Palaeoniscus)

Fish Scales

Scales of fishes; Ganoid Scale (Palaeoniscus)

A type of Ganoid fish.This particular species is a Shovel-beak.

Scaphirhynchus Platyrhynchus

A type of Ganoid fish.This particular species is a Shovel-beak.

The spotted scat (Scatophagus argus) is a small fish native to the western Pacific Ocean.

Spotted Scat

The spotted scat (Scatophagus argus) is a small fish native to the western Pacific Ocean.

The California Scorpionfish (Scorpaena guttata) is a rockfish named for the sting of its dorsal spines.

California Scorpionfish

The California Scorpionfish (Scorpaena guttata) is a rockfish named for the sting of its dorsal spines.

The Daddy Sculpin (Myoxocephalus groenlandicus) is a small coastal fish of Northern Europe. It is also known as the Father Lasher and has the synonym Myoxocephalus scorpius.

Daddy Sculpin

The Daddy Sculpin (Myoxocephalus groenlandicus) is a small coastal fish of Northern Europe. It is also…

The Slim Sculpin (Radulinus asprellus) is a fish in the Cottidae family of common sculpins.

slim sculpin

The Slim Sculpin (Radulinus asprellus) is a fish in the Cottidae family of common sculpins.

The scup (Stenotomus chrysops) is a fish common in the Atlantic Ocean. it is in the Sparidae family of breams or porgies.

Scup

The scup (Stenotomus chrysops) is a fish common in the Atlantic Ocean. it is in the Sparidae family…

An illustration of a male sea horse with its young. Male sea horses carry the fertilized eggs and carry them for about four weeks and then releases the fry. These young are susceptible to prey and not many survive however, their survival rate is higher then most fish species.

Sea Horse

An illustration of a male sea horse with its young. Male sea horses carry the fertilized eggs and carry…

The Sea horse is a remarkable fish found near our South American coasts. It belongs to the singular order known as Lophobranch.

The Sea horse

The Sea horse is a remarkable fish found near our South American coasts. It belongs to the singular…

"Have a large air-bladder, which they inflate by swallowing air, till they appear almost like balls. They are also covered with spines which they erect at will." — Goodrich, 1859

Sea Porcupine

"Have a large air-bladder, which they inflate by swallowing air, till they appear almost like balls.…

The Sea Raven (Hemitripterus americanus) is a bottom-dwelling fish that is common in the north of the Atlantic and Pacific Oceans.

Sea Raven

The Sea Raven (Hemitripterus americanus) is a bottom-dwelling fish that is common in the north of the…

The Northern Sea Robin (Prionotus carolinus) is a species of bottom feeders of the Triglidae family.

Northern Sea Robin

The Northern Sea Robin (Prionotus carolinus) is a species of bottom feeders of the Triglidae family.

"Is five to eight inches long; is very voracious, swims rapidly, and si found under stones and sea-weed along the European shores. They are often caught in trawl-nets, but are of no value, on account of their sharp spines they are carefully handled; common in European and American waters." — Goodrich, 1859

Sea Scorpion

"Is five to eight inches long; is very voracious, swims rapidly, and si found under stones and sea-weed…

"Four inches long; found in the European seas." — Goodrich, 1859

Sea-snail

"Four inches long; found in the European seas." — Goodrich, 1859

An illustration of a black seadevil with a fish in its stomach. Black seadevils are small, deep-sea lophiiform fish comprising the family Melanocetidae. There are five known species (with only two given common names), all within the genus Melanocetus. They are found in tropical to temperate waters of the Atlantic, Indian, and Pacific Ocean, with one species known only from the Ross Sea.

Black Sea Devil with Fish in Stomach

An illustration of a black seadevil with a fish in its stomach. Black seadevils are small, deep-sea…

The seahorse is the only fish as yet known to have a prehensile tail. It has been found in the Hudson River of this country, about five or six inches in length, (Hooker, 1882).

Seahorse

The seahorse is the only fish as yet known to have a prehensile tail. It has been found in the Hudson…

"These animals have a head of the shape of a horse, and a long tail without any fin, but which is used by the fish to lay hold of sea-weed and other objects' — Goodrich, 1859

Seahorse

"These animals have a head of the shape of a horse, and a long tail without any fin, but which is used…

The short-snouted seahorse (Hippocampus hippocampus) is a species of fish of the Syngnathidae family.

Short-Snouted Seahorse

The short-snouted seahorse (Hippocampus hippocampus) is a species of fish of the Syngnathidae family.

"Three to seven feet long, agreeing with the gobies in the abscence of the air-bladder; the pectoral fin large; the mouth large and armed with enormous acute fangs." — Goodrich, 1859

Seawolf

"Three to seven feet long, agreeing with the gobies in the abscence of the air-bladder; the pectoral…

"A genus of blenniod fishes, typical of the family Annarrhichadidæ."-Whitney, 1902

Seawolf

"A genus of blenniod fishes, typical of the family Annarrhichadidæ."-Whitney, 1902

"Common in the Mediterranean, and occaisionally found on the shores of Northern Europe, it weighs from twenty to forty pounds, its flesh is in some estimation as food." — Goodrich, 1859

Dusky Serranus

"Common in the Mediterranean, and occaisionally found on the shores of Northern Europe, it weighs from…

"A joint involving the principle of the shackle. Specifically, in anatomy, a kind of articulation found in the exoskeleton of some fishes, formed by the passing of a bony ring of one part through a perforation of another part, the two being thus movably linked together." &mdash;Whitney, 1889 <p>This illustration shows the shackle joint of a large spine with a bony plate of the skin of a siluroid fish.

Shackle Joint from the Exoskeleton of a Siluroid Fish

"A joint involving the principle of the shackle. Specifically, in anatomy, a kind of articulation found…

"Shad is the popular name of three anadromous fishes of the genus Clupea: (1) The allice or European shad. (2) The American shad, an important food fish, abundant on the Atlantic coast of America, and in some of the American rivers. It spawns in fresh water. Great quantities are salted. (3) The Twaite shad, common on the coasts of Europe, ascending rivers; abundant in the Nile. The flesh is coarser than that of the allice shad."&mdash;(Charles Leonard-Stuart, 1911)

Shad

"Shad is the popular name of three anadromous fishes of the genus Clupea: (1) The allice or European…

The American Shad (Alosa sapidissima) is an anadromous fish in the Clupeidae family of herrings, shads, sardines, hilsa, and menhadens.

American Shad

The American Shad (Alosa sapidissima) is an anadromous fish in the Clupeidae family of herrings, shads,…

The American Gizzard Shad (Dorosoma cepedianum) is a fish in the Clupeidae family of herrings.

American Gizzard Shad

The American Gizzard Shad (Dorosoma cepedianum) is a fish in the Clupeidae family of herrings.

"Is twelve or thirteen inches in length, the flesh is dry and tasteless; nevertheless it is somewhat extensively eaten." &mdash; Goodrich, 1859

Twaite Shad

"Is twelve or thirteen inches in length, the flesh is dry and tasteless; nevertheless it is somewhat…

The Shad-Waiter (Coregonus quadrilateralis) is a whitefish in the Salmonidae family of salmon.

Shad-Waiter

The Shad-Waiter (Coregonus quadrilateralis) is a whitefish in the Salmonidae family of salmon.

"A very curious species, five sinches long, remarkable for creeping out of the water with their pectoral fins and hiding themselves in holes among the rocks, where they remain till the return of the tide; it is said they can live out of water for thirty hours, they immediately die, however, upon being put in fresh water." &mdash; Goodrich, 1859

Shanny

"A very curious species, five sinches long, remarkable for creeping out of the water with their pectoral…

"Theses are at once distinguished by their elongated, spindle-shaped bodies, their branchial apertures placed on the sides of the neck, and their pectoral fins of the ordinary form and position. The symmetrical tail is large and fleshy, furnished with powerful fins, which render it a most efficient agent in progression; the nost is usually conical and pointed, the mouth large, and armed with most formidable, cutting teeth, and the upper surface of the head is frequently furnished with a pair of spiracles, although these apertures are often wanting." &mdash; Goodrich, 1859

Shark

"Theses are at once distinguished by their elongated, spindle-shaped bodies, their branchial apertures…

The Bonnethead Shark (Sphyrna tiburo) is a small shark in the Sphyrnidae family of hammerheads.

Bonnethead Shark

The Bonnethead Shark (Sphyrna tiburo) is a small shark in the Sphyrnidae family of hammerheads.

The Bramble Shark (Echinorhinus brucus) is a species of shark distinguished by its thorn-like denticles or spiny scales.

Bramble Shark

The Bramble Shark (Echinorhinus brucus) is a species of shark distinguished by its thorn-like denticles…

The great white shark (Carcharodon carcharias) is a large shark found in all major oceans.

Great White Shark

The great white shark (Carcharodon carcharias) is a large shark found in all major oceans.

The Port Jackson shark (Heterodontus portusjacksoni) is a species in the Heerodontidae family of bullhead sharks.

Port Jackson Shark

The Port Jackson shark (Heterodontus portusjacksoni) is a species in the Heerodontidae family of bullhead…

"Is twelve to eighteen feet long, the tail nearly as long as the body; it uses this member for attacking other animals by its powerful strokes." &mdash; Goodrich, 1859

Thresher Shark

"Is twelve to eighteen feet long, the tail nearly as long as the body; it uses this member for attacking…

Sharks belong to the Chondrichthyes family.

White Shark

Sharks belong to the Chondrichthyes family.

"Has the body elongated, swims with great ease, measures from fifteen to twenty feet, is extremely voracious, and has been known to swallow the entire body of a man." &mdash; Goodrich, 1859

White Shark

"Has the body elongated, swims with great ease, measures from fifteen to twenty feet, is extremely voracious,…

The California Sheephead (Semicossyphus pulcher) is a fish in the Labridae family of wrasses.

California Sheephead

The California Sheephead (Semicossyphus pulcher) is a fish in the Labridae family of wrasses.

The Sheepshead (Archosargus probatocephalus) is a fish in the Sparidae family of breams and porgies.

Sheepshead

The Sheepshead (Archosargus probatocephalus) is a fish in the Sparidae family of breams and porgies.

The Golden Shiner (Notemigonus crysoleucas) is a fish in the Cyprinidae family of carps and minnows, and is commonly used as bait.

Golden Shiner

The Golden Shiner (Notemigonus crysoleucas) is a fish in the Cyprinidae family of carps and minnows,…

"It sometimes attains the length of six feet, and the weight of three hundred pounds. It is a slow and sluggish fish, lying in wait for its prey in holes and muddy bottoms." &mdash; Goodrich, 1859

Sly Silurus

"It sometimes attains the length of six feet, and the weight of three hundred pounds. It is a slow and…

The Atlantic Silverside (Menidia menidia) is a common fish in the Atherinopsidae family of neotropical silversides.

Atlantic Silverside

The Atlantic Silverside (Menidia menidia) is a common fish in the Atherinopsidae family of neotropical…

Common skate (ray). The skates and rays have a broad body, partly due to the merging of the body into the large, horizontally flattened pectoral fins.

Skate

Common skate (ray). The skates and rays have a broad body, partly due to the merging of the body into…

The jaws and teeth of the common skate (ray).

Skate

The jaws and teeth of the common skate (ray).

Mouth and gill slits of the common skate (ray).

Skate

Mouth and gill slits of the common skate (ray).

"It is very voracious, and grows to large size. Found in the European and American waters" &mdash; Goodrich, 1859

Skate

"It is very voracious, and grows to large size. Found in the European and American waters" — Goodrich,…

"Skate is the popular name for any individual of a section of the genus Raia, differing from the rays proper in having a long pointed snout."&mdash;(Charles Leonard-Stuart, 1911)

Skate

"Skate is the popular name for any individual of a section of the genus Raia, differing from the rays…

"Skate, a common name for several species of the genus Raia. The members of this genus are characterized by the two dorsal fins on the tails and the absence of a tail spine, and by the pelvic fins being deeply notched."&mdash;Finley, 1917

Common Skate

"Skate, a common name for several species of the genus Raia. The members of this genus are characterized…

Skeleton of the common Perch. (p) one of the pectoral fins; (v) one of the ventral fins; (a) anal fin, (c) caudal fin; (d) first dorsal fin; (d) second dorsal fin; (i i ) interspinous bones.

Fish Skeleton

Skeleton of the common Perch. (p) one of the pectoral fins; (v) one of the ventral fins; (a) anal fin,…

"Five or six inches long; it is esteemed for the table, and resembles the common smelt in flavor; found in European waters." &mdash; Goodrich, 1859

Sand Smelt

"Five or six inches long; it is esteemed for the table, and resembles the common smelt in flavor; found…

<i>Liparis lineata</i>. A fish of the genus <i>Liparis</i>; so called from their soft unctuous feel, and their habit of adhering to rocks by means of a ventral sucker. <p>This illustration shows a profile view of the fish.

Snailfish

Liparis lineata. A fish of the genus Liparis; so called from their soft unctuous feel, and their habit…

<i>Liparis lineata</i>. A fish of the genus <i>Liparis</i>; so called from their soft unctuous feel, and their habit of adhering to rocks by means of a ventral sucker. <p>This illustration shows the sucker present on the underside of the fish, between the pectoral fins.

Snailfish - Sucker Between the Pectoral Fins

Liparis lineata. A fish of the genus Liparis; so called from their soft unctuous feel, and their habit…

The Lane Snapper (Lutjanus synagris) is a colorful fish in the Lutjanidae family of snappers.

Lane Snapper

The Lane Snapper (Lutjanus synagris) is a colorful fish in the Lutjanidae family of snappers.

The Vermilion Snapper (Rhomboplites aurorubens) is a North American and Atlantic fish in the Lutjanidae family of snappers.

Vermilion Snapper

The Vermilion Snapper (Rhomboplites aurorubens) is a North American and Atlantic fish in the Lutjanidae…