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Planarian parasite (flatworm) under microscope view.
Red sea bream on white background
Rainbow shark catfish Epalzeorhynchos frenatum aquarium fish isolated on white
Perch (Perca fluviatilis)
centropyxis aculeata (amoeboid organism) under the microscope - optical microscope x400 magnification
Photomicrograph of rotifer, probably Rotaria rotatoria. Rapidly rotating cilia at top of head, internal organs visible. Green circles are algae. Live specimen. Original image at 40X, wet mount, transmitted brightfield illumination. Indistinct image due to motion blur of live specimen and very shallow depth of field of brightfield illumination.
Raw mackerel stuffed with lemon and spices on a white background.
Channa maculata swimming in fish tank. An omnivorous fish that lives in the Mekong Delta is used to feed farmers during floods
amazing inhabitants of the microworld under a microscope
Colorful Coral Reef Teeming with Exotic Fish. Lively and colorful coral reef in a vibrant underwater world. Diverse array of tropical fish swimming freely in their aquatic environment, creating a mesmerizing scene for nature and animal enthusiasts alike.
red-blue Columbian Tetra Hyphessobrycon aquarium fish
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.
Phylym Platyhelmenthes or flat worms.
Liver Fluke Section under light microscope with white background
Kuhli loach
Blackspot Sweeper Pempheris oualensis occurs in the tropical Indo-Pacific from the Red Sea to the Line, Marquesan, and Ducie Islands, north to the Ryukyu Islands, south to Lord Howe and Rapa Islands in a depth range from 1-36m, max. length 22cm. \nThe species occurs in clear, shallow lagoon and seaward reefs and is quite common along the reef margin, feeding on benthic and planktonic crustaceans, other small invertebrates and fishes at night. \nBy day, Blackspot Sweeper form aggregations in caves. \nRun Island, Banda Sea, Indonesia \n4°32'56.5548 S 129°40'10.29 E at 13m depth in the early afternoon
Common Frog, Rana temporaria tadpole with internal gills, 3 weeks after hatching, in front of white background
Underwater photography of tropical reef  species in Papua New Guinea
a spring scene with cherry blossoms in bloom
Carp tail close-up isolated on white background
Flatfish caught from sea isolated
Photomicrograph of planaria, a flatworm, Dugesia species. Slight motion blur in head. Freshwater stream, San Luis Obispo, California. Live specimen. Wet mount, 2.5X objective, transmitted brightfield illumination.
Fish photo on black background for commercial use
Tonicella insignis, White-lined chiton, or Red chiton, also known as the hidden chiton, belongs to the Tonicellidae family in the class of Polyplacophora, and the phylum of Mollusca. Seward, Alaska.
Marine fishes with beautiful corals
Monotomidae, Coleoptera Fossil in Burmese amber of Cenomanian era, 100 million years ago, from the state of Myanmar, extreme macro shot
Neon Endler Guppy Double Swordtail Male Guppies Poecilia wingei colorful tropical aquarium fish
Rat tailed maggot photographed in a studio
One small fish isolated on a white background.
Aquarium tropical fish: otocinclus
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