Crustaceans
Disclaimer: This gallery contains many illustrations of crustaceans. For illustrations of internal organs, skeletons, and other anatomical details of interest to biology students, please refer to the "Zoology" galleries listed on the site map under "Science."
Amphipod Amphipoda include over 7000 described species of small, shrimp-like crustaceans. Most amphipods are marine, although a few live in freshwater or are terrestrial.
Amphithoe "A genus of amphipodous edriophthalmous crustaceans, of the family Corophiidę."-Whitney, 1902
Barnacle An adult barnacle
Barnacles "The Common Barnacle, Lepas anatifera, perhaps the best-known example of the order, generally selects floating objects for this purpose, and frequently covers the bottoms of ships to such an extent as to even impede their progress through the water. It adheres by a flexible stalk, which possesses great contractile power. The shell is usually composed of two triangular pieces on each side, and is closed by another elongated piece on the back." — Goodrich, 1859
Acorn Barnacles Barnacles that look like acorns.
Goose Barnacles Barnacles that hang from a muscular stalk.
Blue Crab "Several species of crabs are taken from Florida coastal waters, probably the most common being the large blue crab, easily caught by line or net as the tide comes in, and always available at local markets."
Calymene "The trilobite's general form is shown in the annexed figure of the Calymene Blumenbachii; they possessed well-formed, compound, faceted eyes, which are frequently well-preserved in the fossil state. The body is usually divided into three regions, of which the first and last are commonly in the form of the semicircular plates, while the middle portion exhibits distinct segmentation, and by its flexibilty enabled the animal to double itself up in the manner of the common wood-louse." — Goodrich, 1859
Chelophora A genus of amphipod crustaceans, typical of the Chelurideæ.
Lobster Claw The pair of pincers or nippers, or te so-called claw, which terminates some of the limbs of most crustaceans, as in crabs and lobsters.
Crab Crabs have the same essentail structure as crayfishes and lobsters.
Crab A typical crab foud in the ocean.
Crab A crab with two pinchers.
Crab This illustration shows a crab, a species of cancer. Crabs are decapod crustaceans with thick exoskeletons.
Crab "Transformations of the Crab: 1, young crab, or zoea, magnified; 2, young crab, in a more advanced stage, magnified; 3, young crab, in a more advanced stage, natural size; 4, young crab, when it has assumed its more perfect form, magnified; 5, young crab, when it has assumed its more perfect form, natural size." — Chambers' Encyclopedia, 1875
California Rock Crab A crab found on the rocky sea floor of California.
Fiddler Crab A crab having one claw much larger than the other. As they walk sideways, they hold up the large claw in a threatening manner.
Frog Crab A large crab.
Hermit Crab Hermit crab in shell of sea snail.
Hermit Crab A small crab with no permanent shell. It must move from shell to shell to grow.
Hermit Crab When alarmed, the hermit crab withdraws itself wholly into its portable house, closing the mouth of the shell with one of its claws, (Hooker, 1882).
Hermit Crab "When alarmed, the hermit crab withdraws itself wholly into its portable house, closing the mouth of the shell with one of its claws, "(Hooker, 1882).
Horse-shoe Crab Crabs with a dark brown shell and a long stiff tail.
Horseshoe Crab Horseshoe crabs represent an order called Xiphosura, from the fact that the end of the abdomen is furnished with a long sword-like spine.
Lady Crab A broad flat crab with small pinchers.
Mask Crab A large crab.
Oyster Crab Crabs have the same essentail structure as crayfishes and lobsters.
Red Crab A large red&mdashorange crab with two medium size pinchers.
Red Sea crab "The Red Sea Crab - Lupea Pelagica" — Goodrich, 1859
Rock Crab A crab found on the rocky sea floor.
Spider-Crab Crabs are ten-footed crustaceans. The abdomen is tucked out of site, so that nothing is visible except the carapace.
Sponge Crab A crab that usually hides in sponges on the ocean floor. It apears soft because of the algae that grows on it.
Common European crab "These have the shell regularly rounded in front and narrowed behind; the legs are of moderate length, the claws large, and often unequal in size. This species inhabits deep water, and is captured in large quantities by sinking baskets, pots, or nets, baited with carrion, in place which it is known to frequent." — Goodrich, 1859
King crab "It is among the largest of crustaceous animals, sometimes measuring as much as two feet in length. The body is composed of two divisions - an anterior, crescent-shaped piece, or carapace, and a posterior, somewhat hexagonal piece, formed by the coalescence of the abdominal segments." — Goodrich, 1859
Crawfish "Also known as Florida lobster. This Southern species, a "spiny" lobster, found off the southern Florida coasts and among the keys is distinguished from the northern variety by the absence of claws and the presence of two long antenna protruding from the head."
Crawfish "Crawfish, or Crayfish is a name of various crustaceous animals, the common crawfish being the river lobster. It lurks under stones or in holes in the banks. Its food consists of small mollusks or fishes, the larvę of insects, and almost any sort of animal matter. Some crawfish by their burrowing habits injure mill-dams and the levees of the Mississippi."—(Charles Leonard-Stuart, 1911)
Crawfish "River-Crawfish (Astacus fluviatilis). (From Huxley's "Crayfish.")"- Whitney, 1902
River Crawfish A fluviatile longtailed crustacean.
Blind Crayfish Blind crayfish of Mammoth Cave.
Whale Crustacean An isopod crustacean found on whales.
Cyclops "The best-known form of the Copepoda is the genus Cyclops, specimens of whch may be found in every stagnant pool; it is the type of the family Cyclopidae, characterized by the possession of a single eye." — Goodrich, 1859
Cypria A fancy shell.
Edriophthalma "Edriophthalma: 1, Caprella phasma; 2, Cyamus Balaenarius." — Chambers' Encyclopedia, 1875
Water Flea The water flea known as Cypris.
Water Flea The water flea known as Daphnia.
Water Flea The water flea known as Cyclops.
Hermit Crab Decapod crustaceans of the superfamily Paguroidea. Most hermit crabs salvage empty seashells to shelter and protect their soft abdomens.
Hermit-crab "[The paguridae] includes the Hermit or Soldier Crab, Pagurus Bernardus, the abdominal portion of whose body is quite soft, forming a sort of cylindrical fleshy mass behind the shelly cephalothorax. As the comfort of the animal would be materially interfered with were this soft, worm-like appendage exposed to be grabbed at by every passing fish who might take a fancy to it, he usually seeks some shelter for its tail, and the habitation selected is generally the empty shell of some univalve mollusk." — Goodrich, 1859
Parthenope horrida "The Parthenope horrida, a native of the Atlantic and Indian Oceans, is covered with the most grotesque ornaments." — Goodrich, 1859
Isopod Isopods are one of the most diverse orders of Crustaceans, with many species living in all environments, and are common in shallow marine waters.
Isopods This illustration shows an isopoda. These are one of the most diverse orders of Crustaceans, with many species living in all environments, and are common in shallow marine waters.
King Crab A genus of crabs so called from their great size. They are found in the tropical and northern coasts of America, in the Antilles, Japan, and the archipelago southeast of Asia.
Land-Crab "Violet Land-Crab." — Galloway
Limulus Polyphemus "Dorsal view of Limulus polyphemus, Latr." — The Encyclopedia Britannica, 1910
Lobster Lobsters have five pair of legs. The first pair are modified into claws for defense.
Lobster Common lobster. I. first pair of legs; 2 and 3. second and third pairs of legs; 4 and 5. last two pair of legs; a smaller antennae; ga greater antennae; ca carapace.
Lobster Lobsters have two big claws and a muscular tail used for movement.
Lobster "Bilaterally symmetrical bodies composed of a series of rings or segments, each of which bears a pair of jointed appendages, or limbs; a well developed and symmetrical nervous system of many connected ganglia. The lower arthropoda are the crustaceans, such as the lobster." — Hinman, 1888
Lobster A large marine crustacean somewhat resembling a crawfish, but larger in form. The common lobster of America is a typical species. It is ten-footed, has a long tail, is stalk-eyed, and often attains a weight of ten pounds.
Spiny lobster "The Spiny Lobster, Palinurus vulgaris, which may be taken as the type of the family, often weighs as muich as twelve or fifteen pounds. It was in great esteem among the ancient Romans, who denominated it Locusta. — Goodrich, 1859
Megalop "Megalops of Cancer irroratus." — Galloway
Prawn A small crustacean, allied to the shrimp; it is highly prized for food.
Prawn The copepod stage of a prawn.
Prawn A small crustacean about 3 to 4 inches in length and marketed in vast numbers. Ate throughout the world.
Purse-crab "The Purse Crab, Birgus Latro is a very curious species found in Amboyna and some of the adjacent islands. They inhabit the fissures of rocks along the sea-shore by day and come forth at night to search for food along the beach. When they meeta person they set up their claws in a threatening manner and snap their pincers and retreat backward. The natives say they climb the cocoanut-trees to get the cocoanuts." — Goodrich, 1859
Red Shrimp "Alpheus-A genus of macrurous decapodous crustaceans, the type of the family Alpheidę."-Whitney, 1902
Sand-hopper "The Common Sand-hopper, Talitrus locusta, which may be met with in thousands upon thousands of European shores, is a well-known example of this family. Although its length is not much more than half an inch, it can leap several inches into the air, and the facility with which it escapes pursuit by burrowing into the soft wet sand is truly wonderful." — Goodrich, 1859
Shell A gastropod shell.
Boat Shell A type of seashell.
Date Shell A mussel shell of the stone&mdashboring genus Lithodomus.
Saddle Shell A shell resembling a saddle.
Shore-jumper "The bodies of these animals are compressed laterally, and curved upon the sides; the eyes are immovable, their feet are directed partly forwards and partly backwards." — Williams, 1889
Shrimp Shrimp are a marine crustacean largely used as food.
Shrimp Shrimp.
Shrimp "They are distinguished by the possession of a large oval or triangular appendage which covers the base of the first joint of the outer antennae." — Goodrich, 1859
Shrimp "Shrimp is a popular name for any individual of the genus Crangon, allied to lobster, crayfish, and prawn. The common shrimp about two inches long, greenish-gray dotted with brown, is esteemed as an article of food; other species, from warmer latitudes, are equally prized. They are usually taken by a net."—(Charles Leonard-Stuart, 1911)
Shrimp A shrimp of the corophium genus.
Shrimp An extensive genus of ten-footed crustaceans. They resemble the lobster and crawfish, but differ from them in having an elongated, tapering, and arched form.
Shrimp An extensive genus of ten-footed crustaceans. They resemble the lobster and crawfish, but differ from them in having an elongated, tapering, and arched form.
Shrimp Small, swimming, decapod crustaceans classified in the infraorder Caridea, found widely around the world in both fresh and salt water.
Brine Shrimp A species of aquative crustaceans that are found worldwide in saltwater, but not in oceans.
Developing shrimp Second zoaea stage of a shrimp's development.
Developing shrimp Mysis stage of a shrimp's development.
Mature shrimp An adult shrimp.
Sow Bug "A terrestrial crustacean abundant everywhere under logs and stones during most of the year." —Davison, 1906
Sea Spider A spider like crustacean of the sea.
Spinous spider-crab "In these the back is usually covered with spines and hairs. They generally live in deep water, and rarely approach the shore." — Goodrich, 1859
Eriphia spinifrons "The Eriphea spinifrons, for instance, distributed in nearly all seas, has the front covered with numerous sharp spines." — Goodrich, 1859
Squilla "The typical genus Aquilla is frequently called the Sea-Mantis. Some of them attain the length of a foot or more, but their average size is about three to four inches." — Goodrich, 1859
Stone Crab "Stone crabs are popular with Floridians and Florida visitors, and are featured on restaurant and hotel menus."
Whale-louse "The Whale-Louse, Cyamus seti, is found on whales along our coasts." — Goodrich, 1859
Wood-louse "The family Oniscidae, including the well-known Wood-Louse, Oniscus murarius, and many similar animals, are characterized by the adaptation of their members to a terrestrial existence." — Goodrich, 1859
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