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High fin whiptail catfish Rineloricaria lanceolata freshwater aquarium fish
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.
Trichopodus pectoralis,Colorful freshwater fish and food that tastes good
Dwarf cichlid male of Apistogramma Panduro
couple of Fish Ancistrus - Catfish in a home freshwater aquarium with a green Anubias plants
Tropical fish swimming through the open water over coral reef
Side-view of a brown tiger beetle with cream white spots on the elytra, situated on a Danish beach (Northern dune tiger beetle, Cicindela hybrida)
Channa maculata swimming in fish tank. An omnivorous fish that lives in the Mekong Delta is used to feed farmers during floods
Rainbow fish swimming in a tank
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.
Female and Male (on background) of Great Crested Newt (Triturus cristatus). Male's skin color and crest is typical for breeding time.
Red skunk cleaner shrimp - Lysmata Amboinensis
Cory catfish Corydoras duplicareus tropical aquarium fish
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
Adult Damselfly Insect of the Suborder Zygoptera
A Masked Lapwing standing on grass in the morning sun.
Alpine Newt, Ichthyosaura alpestris, formerly Triturus alpestris and Mesotriton alpestris against white background
Monotomidae, Coleoptera Fossil in Burmese amber of Cenomanian era, 100 million years ago, from the state of Myanmar, extreme macro shot
Acadian redfish underwater in the St-Lawrence River
Orange fish
discus  fish in tank
Aquatic (fresh water) nematode living in pond water among cyanobacteria. Live specimen. Wet mount, 10X objective, transmitted brightfield illumination.
A Bluefin gurnard (Chelidonichthys kumu) seabream fish on the ocean floor with its pectoral fins open
Fishes in big aquarium
Neon tetra fish
Flower Cardinalfish Ostorhinchus fleurieu occurs in the tropical Indo-West Pacific from the Red Sea, the Persian Gulf, the Gulf of Oman and scattered localities in East Africa to Seychelles, India, Sri Lanka, the Indo-Malayan region, and Hong Kong; south to Australia; east to Fiji in a depth range from 1-97m ( usually 1-37m), max. length 14.2cm. The species is common in shallow coastal reefs with moderate currents, also in tidal channels of estuaries. Adults are usually in small schools comprising pairs. The mouthbrooders form distinct pairs during courtship and spawning. \nBelow there are two Spotted-gill Cardinalfishes Ostorhinchus chrysopomus. The species occurs in the tropical Indo-West Pacific from the Indo-Malay Archipelago to New Guinea and Solomon Islands in a depth range from 2-25m, max. length 10cm. \nTriton Bay, Kaimana Regency, West Papua Province, Indonesia, \n3°51'48.03 S 133°55'48.96 E at 6m depth by night
Costello tetra Hemigrammus hyanuary aquarium fish green neon
Aquarium tropical fish: otocinclus
Common Frog, Rana temporaria tadpole with internal gills, 3 weeks after hatching, in front of white background
Hexagrammos lagocephalus is a colorful marine fish with the common name rock greenling in the greenling family.
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