An illustration of the median longitudinal section through anterior end of the sea lamprey. "a.v.o,…
Carp is a common name for various freshwater fish of the family Cyprinidae, a very large group of fish…
The wels catfish is a scaleless fresh and brackish water catfish recognizable by its broad, flat head…
The Common Eagle Ray (Myliobatis aquila) is large ray in the Chondrichthyes class of cartilaginous fishes.
The remora (Echeneis remora) is a sucking fish with a flat disk on its head it uses to stick to larger…
The Bramble Shark (Echinorhinus brucus) is a species of shark distinguished by its thorn-like denticles…
The Electric Eel (Electrophorus electricus) is a fish in the Gymnotidae family of naked-back knifefishes.
"Brain of Skate (Raia batis), an elasmobranchiate fish. B, from below, in part enlarged: ch, optic chiasm;…
"Brain of Skate (Raia batis), an elasmobranchiate fish. A, from above; s, olfactory bulbs; a, cerebral…
The Elephantfish (Callorhinchus callorhynchus) is a species of fish in the Chimaeriformes order of chimaeras.
The Emperor of Japan (Holocanthus imperator) is a species of fish in the Pomacanthidae family of angelfishes.
Entoniscus parasites is a parasitic isopod that feeds off and eventually replaces the tongues of fish…
Episema were used in Greece as a symbol for a country, region, or used on a shield or badge. This episemon…
Also known as fish lice, this is a species of copepod, a parasitic crustacean. "Female of Chondracathus…
Also known as fish lice, this is a species of copepod, a parasitic crustacean. "Female of Chondracathus…
The Common Ponyfish (Leiognathus equulus) is a species of ponyfish in the Leiognathidae family.
The Golden Trahira (Erythrinus unitaeniatus) is a fish in the Erythrinidae family of trahiras.
"Cartilaginous Cranium of the Pike (Esox lucius), with its intrinsic ossifications. A, top view; 3,…
"Cartilaginous Cranium of the Pike (Esox lucius), with its intrinsic ossifications. B, side view: V,…
An illustration of Eudendruim ramonsum. The Idrozoi are a class of the phylum of Cnidarians, and in…
The California Sheephead (Semicossyphus pulcher) is a fish in the Labridae family of wrasses.
The Orange Filefish (Aluterus schoepfii) is a species of fish in the Monacanthidae family of filefish,…
"Fins of Common Perch. D, first dorsal; D', second dorsal; P, pectoral; V, ventral; A, anal; C, caudal."…
"Skeleton of Fish (Perch). a, intermaxillaries; b, nasal region; c, dentary bone of mandible; d, orbit…
The Paradise Fish (Macropodus opercularis) is a labyrinth fish in the Osphronemidae family of gouramies.
The American Fourspot Flounder (Hippoglossina oblonga) is a fish in the Paralichthyidae family of large-tooth…
An illustration of the adult amoeboid Lymphosporidium truttae, which was the cause of the brook-trout…
An illustration of Lymphosporidium truttae in the blood cell of a brook trout, which was the cause of…
An illustration of Lymphosporidium truttae in the blood cell of a brook trout with numerous sporoblasts,…
"A case in the form of a book in which to keep fishing-flies. It has leaves of Bristol-board or other…
The California Flying Fish (Cheilopogon pinnatibarbatus californicus) is the largest species in the…
"Heterocercal Caudal Fin of a Sturgeon (Acipenser brevirostris), showing the series of fulcrums, Fl,…
The River Blackfish (Gadopsis marmoratus) is an Australian fish in the Percichthyidae family of temperate…
The Gafftopsail Catfish (Bagre marinus) is a fish in the Ariidae family of ariid catfish. It was also…
The Shortnose Gar (Lepisosteus platostomus) is a fish in the Lepisosteidae family of garpikes.
Hotel De Ville was constructed about 1370 in the second half of the fourteenth century. Frescos at one…
Tangrams, invented by the Chinese, are used to develop geometric thinking and spatial sense. Seven figures…
Tangrams, invented by the Chinese, are used to develop geometric thinking and spatial sense. Seven figures…
Tangrams, invented by the Chinese, are used to develop geometric thinking and spatial sense. Seven figures…
Tangrams, invented by the Chinese, are used to develop geometric thinking and spatial sense. Seven figures…
Tangrams, invented by the Chinese, are used to develop geometric thinking and spatial sense. Seven figures…
Tangrams, invented by the Chinese, are used to develop geometric thinking and spatial sense. Seven figures…
Tangrams, invented by the Chinese, are used to develop geometric thinking and spatial sense. Seven figures…
Tangrams, invented by the Chinese, are used to develop geometric thinking and spatial sense. Seven figures…
Outlines of fish (shark, parrot fish, angelfish, flounder, hogfish, beta) made from tangram pieces.…
Solutions for outlines of fish (shark, parrot fish, angelfish, flounder, hogfish, beta) made from tangram…
Silhouette outlines of fish (shark, parrot fish, angelfish, flounder, hogfish, beta) made from tangram…
Secretary Fish and General Grant amused at the English outcry over the Alabama claims submitted to the…
Cuttlefish are marine animals of the order Sepiida belonging to the Cephalopoda class. Despite their…
The gars, or garpikes, are members of the Lepisosteiformes (or Semionotiformes), an ancient order of…
The spotted Gar (Lepisosteus oculatus) is a primitive freshwater fish of the family Lepisosteidae, native…
The marine isopod or sand flea (Caprella) is an omnivorous feeder that eats detritus, one-celled plants,…