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red-blue Columbian Tetra Hyphessobrycon aquarium fish
The Bumphead Parrotfish can be recognised by the distinct hump on the head of adults, its drab colouration, and large size. It is the largest of all the parrotfishes.
The Arctic grayling (Thymallus arcticus) is a species of freshwater fish in the salmon family Salmonidae. T. arcticus is widespread throughout the Arctic and Pacific drainages in Canada, Alaska, and Siberia, as well as the upper Missouri River drainage in Montana.  Wyoming.
Freshwater aquatic zooplankton and algae under microscope view
Tropical fish swimming through the open water over coral reef
Paps smear analysis: Superficial squamous cell, metaplastic squamous cell, koilocytes cell. HPV related change
Blastomycosis is a fungal infection caused by inhaling Blastomyces dermatitidis spores. If it involves only the lungs, it is called pulmonary blastomycosis. Only about half of people with the disease have symptoms, which can include fever, cough, night sweats, muscle pains, weight loss, chest pain, and feeling tired.
Tinfoil barb (Barbonymus schwanenfeldii). Wildlife animal.
Dash-and-dot goatfish Parupeneus barberinus occurs in the tropical Indo-Pacific from the Gulf of Aden and Oman, south on the east coast of Africa to Mossel Bay, South Africa, east to the islands of Micronesia, Line Islands, Marquesas Islands, and Tuamotu Archipelago, and from southern Japan to Australia and New Caledonia in a depth range from 0 to 100m, max. length 60cm, common length 30cm. \n\nIt is one of the most abundant species of Parupeneus. Adults, solitary or in small groups inhabit large sand patches as well as sand and rubble areas of reef flats, and lagoon and seaward reefs. \n\nThis specimen was encountered at night in its nocturnal coloration, when black and red being essentially invisible colors. \n\nTriton Bay, Indonesia, \n3°54'2.455 S 134°6'23.699 Eat 4m depth by night
discus  fish in tank
Oviduct T.S. under light microscope with white background
Lily leaf c.s. under microscope
A carnivorous freshwater fish that inhabit clear, vegetated lakes, ponds, swamps, and rivers.
Scleropages formosus. Exotic tropical fish in the water
Adults of Humphead or Napoleon Wrasse Cheilinus undulatus develop thick lips and a prominent bulbous hump on the forehead and can grow up to more than 2.2 meters. The species inhabits steep outer reef slopes, channel slopes and lagoon reefs. Primary food are mollusks, fishes, sea urchins, crustaceans and other invertebrates. Napoleon Wrasse is one of the few predators of toxic animals such as sea hares, boxfishes and crown-of-thorns starfish. Napoleon Wrasse is is seriously endangered, being hunted to the brink of extinction to feed a growing demand among wealthy Chinese diners for luxury live fish. Not wise, so crown-of-thorns starfishes take over and destroy the reefs.
Licmophora sp. is a genus of benthic diatom. It is an epiphyte, which means it must perch on another organism or object for structural stability
Goldenrod in a Connecticut pollinator meadow, late summer
Histological Cerebellum human, Sympathetic ganglion human And Spinal cord human under the microscope for education.
Arowana in aquarium, a favorite fish with long body, beautiful dragon shape colorful for decoration in the aquarium in rich family
A beautiful Japanese koi fish or carp swims in the aquarium. Colorful golden-red-orange-yellow koi carp.
Close-up view of a Giant gourami (Osphronemus goramy)
Carp tail close-up isolated on white background
Microalgae under microscopic view, green algae, cyanobacteria, phytoplankton, diatom, algae mix collage background
Angelfish (Pterophyllum scalare)
Kerria japonica, commonly called Japanese kerria or Japanese rose, is a graceful, spring-flowering, deciduous shrub that is native to certain mountainous areas of Japan and China. It grows to 1-2m tall on slender, arching, yellowish-green stems. Single, five-petaled, as well as double petaled, yellow flowers bloom somewhat profusely in spring.
Blue fins parrotfish isolated on white background
Koi are colored varieties of the common carp that are kept for decorative purposes in koi ponds or water gardens.
Free Images: "bestof:Synaptura orientalis Mintern 94.jpg The species names / identity need verification The original plates showed the fishes facing right and have been flipped here"
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