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Electric catfish is the common name for the catfish (order Siluriformes) family Malapteruridae. This family includes two genera, Malapterurus and Paradoxoglanis with 19 species. Several species of this family have the ability to produce an electric shock of up to 350 volts using electroplaques of an electric organ. Electric catfish are found in tropical Africa and the Nile River. Electric catfish are usually nocturnal and feed primarily on other fish, incapacitating their prey with electric discharges.

Electric Catfish

Electric catfish is the common name for the catfish (order Siluriformes) family Malapteruridae. This…

The Goldfish, Carassius auratus, was one of the earliest fish to be domesticated, and is still one of the most commonly kept aquarium fish and water garden fish. A relatively small member of the carp family, the goldfish is a domesticated version of a dark-gray/brown carp native to East Asia. It was first domesticated in China and introduced to Europe in the late 17th century. Goldfish can grow to a maximum length of 23 inches (159 cm) and a maximum weight of 9.9 pounds (4.5 kg), although this is rare; few goldfish reach even half this size. The oldest recorded goldfish lived to 49 years, but most household goldfish generally live only six to eight years, due to being kept in bowls.

Gold Fish

The Goldfish, Carassius auratus, was one of the earliest fish to be domesticated, and is still one of…

The brook trout, Salvelinus fontinalis, (sometimes called the eastern brook trout, Adirondack coaster lake trout) is a species of fish in the salmon family of order Salmoniformes. The brook trout is native to small streams, creeks, lakes, and spring ponds. Some brook trout are anadromous. It is native to a wide area of eastern North America but increasingly confined to higher elevations southward in the Appalachian Mountains to northern Georgia, Canada from the Hudson Bay basin east, the Great Lakes–Saint Lawrence system, and the upper Mississippi River drainage as far west as eastern Iowa.

Brook Trout

The brook trout, Salvelinus fontinalis, (sometimes called the eastern brook trout, Adirondack coaster…

A halibut is a type of flatfish from the family of the right-eye flounders (Pleuronectidae). This name is derived from haly (holy) and butt (flat fish), alleged to be called so from being commonly eaten on holy-days. Halibut live in both the North Pacific and the North Atlantic oceans and are highly regarded food fish.

Halibut

A halibut is a type of flatfish from the family of the right-eye flounders (Pleuronectidae). This name…

Mackerel is a common name applied to a number of different species of fish, mostly, but not exclusively, from the family Scombridae. They occur in all tropical and temperate seas. Most live offshore in the oceanic environment but a few, like the Spanish mackerel (Scomberomorus maculatus), enter bays and can be caught near bridges and piers. Common features of mackerels are a slim, cylindrical shape (as opposed to the tunas which are deeper bodied) and numerous finlets on the dorsal and ventral sides behind the dorsal and anal fins. The scales are extremely small, if present. The largest species called "mackerel" is the king mackerel (Scomberomorus cavalla) which can grow to 66 inches (1.68 m). A female mackerel lays about 500,000 eggs at a time

Mackerel

Mackerel is a common name applied to a number of different species of fish, mostly, but not exclusively,…

Sheatfishes or freshwater catfishes are a family (Siluridae) of catfishes (order Siluriformes). There are about 100 living species of silurids.

Sheatfish

Sheatfishes or freshwater catfishes are a family (Siluridae) of catfishes (order Siluriformes). There…

Tetraodontidae is a family of primarily marine and estuarine fish. The family includes many familiar species which are variously called puffers, balloonfish, blowfish, bubblefish, globefish, swellfish, toadfish, and toadies. They are morphologically similar to the closely related porcupinefish, which have large conspicuous spines (unlike the small, almost sandpaper-like spines of Tetraodontidae). The scientific name, Tetraodontidae, refers to the four large teeth, fused into an upper and lower plate, which are used for crushing the shells of crustaceans and mollusks, and red worms, their natural prey. Puffer Fish are the second most poisonous vertebrate in the world, the first being a Golden Poison Frog. The skin and certain internal organs of many Tetraodontidae are highly toxic to humans, but nevertheless the meat of some species is considered a delicacy in both Japan (as fugu) and Korea (as bok-uh). If one is caught while fishing, it is recommended that thick gloves are worn to avoid poisoning and getting bitten when removing the hook.

Blowfish

Tetraodontidae is a family of primarily marine and estuarine fish. The family includes many familiar…

Mackerel is a common name applied to a number of different species of fish, mostly, but not exclusively, from the family Scombridae. They occur in all tropical and temperate seas. Most live offshore in the oceanic environment but a few, like the Spanish mackerel (Scomberomorus maculatus), enter bays and can be caught near bridges and piers. Common features of mackerels are a slim, cylindrical shape (as opposed to the tunas which are deeper bodied) and numerous finlets on the dorsal and ventral sides behind the dorsal and anal fins. The scales are extremely small, if present. The largest species called "mackerel" is the king mackerel (Scomberomorus cavalla) which can grow to 66 inches (1.68 m). A female mackerel lays about 500,000 eggs at a time

Mackerel

Mackerel is a common name applied to a number of different species of fish, mostly, but not exclusively,…

Torpedo is a group of rays, commonly called electric rays or torpedoes. It is the only genus in the family Torpedinidae, in the order Torpediniformes. They are slow-moving bottom-dwellers capable of generating a electricity as a defense and feeding mechanism. There are 15-22 extant species.

Torpedo

Torpedo is a group of rays, commonly called electric rays or torpedoes. It is the only genus in the…

The gourami or gouramies are a family, Osphronemidae, of freshwater perciform fishes. The fish are native to Asia, from Pakistan and India to the Malay Archipelago and north-easterly towards Korea. "Gouramies" is an example of a redundant plural, like "cherries" or "Pakistanis"; Gourami is already plural, in its original language. The most famous species of gourami is the "kissing gourami", who do literally lock their exaggerated lips to each other in social displays relating to mating, as a habit of aggression toward other fish of any species, and for seeking food.

Gourami

The gourami or gouramies are a family, Osphronemidae, of freshwater perciform fishes. The fish are native…

Sturgeon is the common name used for some 26 species of fish in the family Acipenseridae, including the genera Acipenser, Huso, Scaphirhynchus and Pseudoscaphirhynchus. One of the oldest families of bony fish in existence, they are native to subtropical, temperate and sub-Arctic rivers, lakes and coastlines of Eurasia and North America. They are distinctive for their elongated bodies, lack of scales, and occasional great size: Sturgeons ranging from 7–12 feet (2-3&frac12 m) in length are common, and some species grow up to 18 feet (5.5 m). Most sturgeons are anadromous bottom-feeders, spawning upstream and feeding in river deltas and estuaries. While some are entirely freshwater, very few venture into the open ocean beyond near coastal areas.

Sturgeon

Sturgeon is the common name used for some 26 species of fish in the family Acipenseridae, including…

Seahorses are a genus (Hippocampus) of fish belonging to the family Syngnathidae, which also includes pipefish and leafy sea dragons. There are over 32 species of seahorse, mainly found in shallow tropical and temperate waters throughout the world. They prefer to live in sheltered areas such as sea grass beds, coral reefs, or mangroves.

Seahorse

Seahorses are a genus (Hippocampus) of fish belonging to the family Syngnathidae, which also includes…

Carp is a common name for various freshwater fish of the family Cyprinidae, a very large group of fish originally from Eurasia and southeast Asia. Carp have long been an important food fish to humans, as well as popular ornamental fishes (see koi and goldfish). As a result, carp have been introduced to various locations, though with mixed results.

Carp

Carp is a common name for various freshwater fish of the family Cyprinidae, a very large group of fish…

Flax (also known as common flax or linseed) (binomial name: Linum usitatissimum) is a member of the genus Linum in the family Linaceae. It is native to the region extending from the eastern Mediterranean to India and was probably first domesticated in the Fertile Crescent. Flax is an erect annual plant growing to 1.2 m tall, with slender stems. The leaves are glaucous green, slender lanceolate, 20–40 mm long and 3 mm broad. The flowers are pure pale blue, 15–25 mm diameter, with five petals; they can also be bright red. The fruit is a round, dry capsule 5–9 mm diameter, containing several glossy brown seeds shaped like an apple pip, 4–7 mm long.

Flax

Flax (also known as common flax or linseed) (binomial name: Linum usitatissimum) is a member of the…

An illustration of the Order of the Garter Star. The Most Noble Order of the Garter is an order of chivalry, or knighthood, originating in medieval England, and presently bestowed on recipients in any of the Commonwealth realms; it is the pinnacle of the honors system in the United Kingdom. Membership in the order is limited to the sovereign, the Prince of Wales, and no more than twenty-four members, or Companions; the order also comprises Supernumerary knights and ladies (e.g., members of the British Royal Family and foreign monarchs).

Order of the Garter Star

An illustration of the Order of the Garter Star. The Most Noble Order of the Garter is an order of chivalry,…

The Black Sea Bass (Centropristis striata) is a fish in the Grouper family native to New York, Maine, Florida, and the Gulf of Mexico.

Black Sea Bass

The Black Sea Bass (Centropristis striata) is a fish in the Grouper family native to New York, Maine,…

The Atlantic Pomfret (Brama brama) is a fish in the Bramidae family of pomfrets. Its synonyms and other common names include: sea-bream, Brama rays, Brama australis, Southern rays bream and Ray's Bream.

Atlantic Pomfret

The Atlantic Pomfret (Brama brama) is a fish in the Bramidae family of pomfrets. Its synonyms and other…

The Steller's Sea Eagle (Haliaeetus pelagicus) is a large bird of pray in the Accipitridae family of hawks and eagles.

Steller's Sea Eagle

The Steller's Sea Eagle (Haliaeetus pelagicus) is a large bird of pray in the Accipitridae family of…

The Sea Pansy (Renilla reniformis) is a sea pen in the Renillidae family. Shown here with a single polypite, the sea pansy is common to Florida beaches.

Sea Pansy

The Sea Pansy (Renilla reniformis) is a sea pen in the Renillidae family. Shown here with a single polypite,…

The Gray Seal (Halichoerus grypus) is a large mammal in the Phocidae family of true seals.

Gray Seal

The Gray Seal (Halichoerus grypus) is a large mammal in the Phocidae family of true seals.

The Hooded Seal (Crystophora cristata) is an arctic seal in the Phocidae family of true seal. It is identified by the large bulge on its head.

Hooded Seal

The Hooded Seal (Crystophora cristata) is an arctic seal in the Phocidae family of true seal. It is…

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.

The common periwinkle (Littorina littorea) is an edible species of sea snail in the Littorinidae family of the winkles.

Common Periwinkle

The common periwinkle (Littorina littorea) is an edible species of sea snail in the Littorinidae family…

The Rose Fish (Sebastes marinus) is a species in the Sebastidae family named for the red color of the adults.

Rose Fish

The Rose Fish (Sebastes marinus) is a species in the Sebastidae family named for the red color of the…

The Sedge Warbler (Acrocephalus schoenobaenus) is a small passerine bird in the Sylviidae family.

Sedge Warbler

The Sedge Warbler (Acrocephalus schoenobaenus) is a small passerine bird in the Sylviidae family.

The Orca or Killer Whale (Orcinus orca), less commonly, Blackfish or Seawolf, is the largest species of the oceanic dolphin family. It is found in all the world's oceans, from the frigid Arctic and Antarctic regions to warm, tropical seas.

Orca

The Orca or Killer Whale (Orcinus orca), less commonly, Blackfish or Seawolf, is the largest species…

An illustration of a harp-shell, "the shell of a genus of [mollusks] belonging to the gasteropoda and to the whelk family" (Vaughan).

Harp-shell

An illustration of a harp-shell, "the shell of a genus of [mollusks] belonging to the gasteropoda and…

The heliotropes (Heliotropium) is a genus of plants in the family Boraginaceae with 250 to 300 species. The name "heliotrope" derives from the fact that these plants turn their leaves to the sun. Helios is Greek for "sun", tropein means "to turn". The old English name "turnsole" has the same etymology.

Heliotropium

The heliotropes (Heliotropium) is a genus of plants in the family Boraginaceae with 250 to 300 species.…

Northern Water Hemlock is a species of Cicuta, native to northern and central Europe, northern Asia and northwestern North America. It is a perennial herbaceous plant which grows up to 1–2 m tall. The stems are smooth, branching, swollen at the base, purple-striped, and hollow except for partitions at the junction of the leaves and stem. In cross section the stems have one flat side and the other sides are rounded. The leaves are alternate, tripinnate, only coarsely toothed, unlike the ferny, lacy leaves found in many other members of the family Apiaceae. The flowers are small, white and clustered in umbrella shaped inflorescences typical of the family. The many flowered umbellets have unequal pedicels that range from 5 to 11 cm long during fruiting. An oily, yellow liquid oozes from cuts to the stems and roots.

Northern Water Hemlock

Northern Water Hemlock is a species of Cicuta, native to northern and central Europe, northern Asia…

An illustration of the hop plant. Humulus, (hop) is a small genus of flowering plants, native to the temperate Northern Hemisphere. The female flowers of one species are called hops, and are used as flavoring and stabilizers, especially for brewing beer. The hop is part of the family Cannabaceae, which also includes the genus Cannabis (hemp).

Hop

An illustration of the hop plant. Humulus, (hop) is a small genus of flowering plants, native to the…

Cynoglossum officinale (hound's tongue, dog's tongue, gypsy flower, and rats and mice due to its smell) is a herbaceous plant of the family Boraginaceae, found in most parts of Europe, and also North America where it was accidentally introduced. It can be either annual or biennial, with reddish-purple flowers blooming between May and September. It lives in wet places, waste land and hedges.

Hound's Tongue

Cynoglossum officinale (hound's tongue, dog's tongue, gypsy flower, and rats and mice due to its smell)…

The Seed Weevil (Apion rostrum) is a beetle in the Brentidae family of straight-snouted weevils.

Seed Weevil

The Seed Weevil (Apion rostrum) is a beetle in the Brentidae family of straight-snouted weevils.

The Restless Flycatcher (Myiagra inquieta) is a passerine bird in the Monarchidae family of Monarch flycatcher.

Restless Flycatcher

The Restless Flycatcher (Myiagra inquieta) is a passerine bird in the Monarchidae family of Monarch…

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…

Wallace's Standardwing (Semioptera wallacii) is a passerine bird in the family of Birds of Paradise.

Wallace's Standardwing

Wallace's Standardwing (Semioptera wallacii) is a passerine bird in the family of Birds of Paradise.

The Pompeiian house consisted of several courts or <em>atria</em>, some of which were surrounded by colonnades and called peristyles. The front portion was reserved for shops, or presented to the street a wall unbroken save by the entrance. Legend: s, shops; v, vestibule; f, family rooms; k, kitchen; l, lararium; p, peristyles

House of Pansa, Pompeii (Plan)

The Pompeiian house consisted of several courts or atria, some of which were surrounded by…

Yam is the common name for some species in the genus Dioscorea (family Dioscoreaceae).These are perennial herbaceous vines cultivated for the consumption of their starchy tubers in Africa, Asia, Latin America and Oceania. There are hundreds of cultivars among the cultivated species. The sweet potato (Ipomoea batatas) has traditionally been referred to as a "yam" in parts of the southern United States and Canada even though it is not part of the Dioscoreaceae family. The vegetable has a rough skin which is difficult to peel, but which softens after heating. The skins vary in color from dark brown to light pink

Yam

Yam is the common name for some species in the genus Dioscorea (family Dioscoreaceae).These are perennial…

Hedera (English name ivy, plural ivies) is a genus of 15 species of climbing or ground-creeping evergreen woody plants in the family Araliaceae, native to the Atlantic Islands, western, central and southern Europe, northwestern Africa and across central-southern Asia east to Japan. On suitable surfaces (trees and rock faces), they are able to climb to at least 25&ndash;30 metres above the basal ground level.

Hedera colchica

Hedera (English name ivy, plural ivies) is a genus of 15 species of climbing or ground-creeping evergreen…

An illustration of a juniper branch, vertical section of fruit (1), and male catkin (2). Junipers are coniferous plants in the genus Juniperus of the cypress family Cupressaceae. Depending on taxonomic viewpoint, there are between 50-67 species of juniper, widely distributed throughout the northern hemisphere, from the Arctic, south to tropical Africa in the Old World, and to the mountains of Central America

Juniper

An illustration of a juniper branch, vertical section of fruit (1), and male catkin (2). Junipers are…

An illustration of a mechanical kettledrum showing the system of cords inside. Timpani (also known colloquially as kettledrums or kettle drums) are musical instruments in the percussion family. A type of drum, they consist of a skin called a head stretched over a large bowl commonly made of copper. They are played by striking the head with a specialized drum stick called a timpani stick or timpani mallet. Unlike most drums, they produce a definite pitch when struck, and can be tuned, often with the use of a pedal. Timpani evolved from military drums to become a staple of the classical orchestra by the last third of the 18th century. Today, they are used in many types of musical ensembles including concert, marching, and even some rock bands.

Mechanical Kettledrum

An illustration of a mechanical kettledrum showing the system of cords inside. Timpani (also known colloquially…

An illustration of medieval kettledrums in the 14th century. Timpani (also known colloquially as kettledrums or kettle drums) are musical instruments in the percussion family. A type of drum, they consist of a skin called a head stretched over a large bowl commonly made of copper. They are played by striking the head with a specialized drum stick called a timpani stick or timpani mallet. Unlike most drums, they produce a definite pitch when struck, and can be tuned, often with the use of a pedal. Timpani evolved from military drums to become a staple of the classical orchestra by the last third of the 18th century. Today, they are used in many types of musical ensembles including concert, marching, and even some rock bands.

Medieval Kettledrum

An illustration of medieval kettledrums in the 14th century. Timpani (also known colloquially as kettledrums…

The Common Cuttlefish (Sepia officinalis) is a mollusc in the Sepiidae family of cephalopods.

Common Cuttlefish

The Common Cuttlefish (Sepia officinalis) is a mollusc in the Sepiidae family of cephalopods.

The Atlantic Bobtail (Sepiola atlantica) is a cephalopod in the Sepiolidae family of bobtail squids.

Atlantic Bobtail

The Atlantic Bobtail (Sepiola atlantica) is a cephalopod in the Sepiolidae family of bobtail squids.

The Red-Legged Seriema (Cariama cristata) is a predatory terrestrial bird in the Cariamidae family of seriemas.

Red-Legged Seriema

The Red-Legged Seriema (Cariama cristata) is a predatory terrestrial bird in the Cariamidae family of…

The Serin Finch (Serinus hortulanus) is a small passerine bird in the Fringillidae family of finches.

Serin Finch

The Serin Finch (Serinus hortulanus) is a small passerine bird in the Fringillidae family of finches.

The serpent is "a musical instrument, properly of the trumpet family, having a cupped mouthpiece, a conical wooden tube bent to and fro several times and usually covered with leather, and nine fingerholes very irregularly disposed." -Whitney, 1911

Serpent

The serpent is "a musical instrument, properly of the trumpet family, having a cupped mouthpiece, a…

The four-toed worm lizard (Chirotes canaliculatus) is a reptile of the Amphisbaenidae family of usually legless lizards.

Four-Toed Worm Lizard

The four-toed worm lizard (Chirotes canaliculatus) is a reptile of the Amphisbaenidae family of usually…

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.

The Piraya Piranha or Caribe (Pygocentrus piraya) is a species of piranha in the Characidae family.

Piraya Piranha

The Piraya Piranha or Caribe (Pygocentrus piraya) is a species of piranha in the Characidae family.

The Common Glowworm (Lampyris noctiluca) is a species of beetle in the Lampyridae family of fireflies.

Common Glowworm

The Common Glowworm (Lampyris noctiluca) is a species of beetle in the Lampyridae family of fireflies.

Hinchingbrooke House in Huntingdon, Cambridgeshire, was built around an 11th century nunnery. After the Reformation it passed into the hands of the Cromwell family, and subsequently, became the home of the Earls of Sandwich, including John Montagu, 4th Earl of Sandwich, reputedly the "inventor" of the modern sandwich. It was originally given to Thomas Cromwell along with Ramsey Abbey as a reward for overseeing the dissolution of the monasteries.

Hinchingbrooke House

Hinchingbrooke House in Huntingdon, Cambridgeshire, was built around an 11th century nunnery. After…

An illustration of Dodder including: 1, flower removed from; 2, Calyx; Ovary cut acrossed; 4, fruit enveloped by a persistent corolla; 5, seed; and 6, embryo. Dodder) is a genus of about 100-170 species of yellow, orange or red (rarely green) parasitic plants. Formerly treated as the only genus in the family Cuscutaceae, recent genetic research by the Angiosperm Phylogeny Group has shown that it is correctly placed in the family Convolvulaceae. The genus is found throughout the temperate to tropical regions of the world, with the greatest species diversity in subtropical and tropical regions; the genus becomes rare in cool temperate climates, with e.g. only four species native to northern Europe.

Dodder

An illustration of Dodder including: 1, flower removed from; 2, Calyx; Ovary cut acrossed; 4, fruit…

An illustration of pezophaps solitarius, part of the dodo family.

Pezophaps Solitarius

An illustration of pezophaps solitarius, part of the dodo family.

An illustration of the skeleton of a pezophaps solitarius, part of the dodo family.

Pezophaps Solitarius (Skeleton)

An illustration of the skeleton of a pezophaps solitarius, part of the dodo family.

The Sesame (Sesamum orientale, Sesamum indicum) is a flowering plant in the Pedaliaceae family of pedaliums or sesames used for its edible seeds and oil.

Sesame

The Sesame (Sesamum orientale, Sesamum indicum) is a flowering plant in the Pedaliaceae family of pedaliums…

The Toadshade (Trillium sessile) is a spring wildflower in the Melanthiaceae family of herbs and trilliums.

Toadshade

The Toadshade (Trillium sessile) is a spring wildflower in the Melanthiaceae family of herbs and trilliums.

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 leaf of the Grapefruit tree (Citrus decumana) in the Rutaceae family of rues or citrus.

Grapefruit Leaf

The leaf of the Grapefruit tree (Citrus decumana) in the Rutaceae family of rues or citrus.

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.

The Great White Shark (Carcharodon carcharias) is a large shark in the Lamnidae family of mackerel and white sharks.

Great White Shark

The Great White Shark (Carcharodon carcharias) is a large shark in the Lamnidae family of mackerel and…