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Close Up of Shortfin eel ,Anguilla bicolor isolated on white background
Curious eurasian otter (Lutra lutra) looking up in a stream.
Duck takes risk swimming among New Zealand Long fin eel gathering in stream writhing and slimy.
Gymnothorax favagineus - Laced moray
The reedfish, ropefish (more commonly used in the United States), or snakefish, Erpetoichthys calabaricus, is a species of fish in the family Polypteridae alongside the bichirs. It is the only member of the genus Erpetoichthys. It is native to fresh and brackish waters in West and Central Africa. The reedfish possesses a pair of lungs in addition to gills, allowing it to survive in very oxygen-poor water. It is threatened by habitat loss through palm oil plantations, other agriculture, deforestation, and urban development
Electric eel
Black Sea, European flounder (Platichthys flesus luscus) floats in the water column
These garden eels are hovering over the sandy bottom of their aquarium.
Laced Moray (Gymnothorax favagineus) - Large Moray Eel
Triton Epaulette Shark Hemiscyllium henryi occurs in the Western Pacific and is known only from western New Guinea (Papua Barat Province), Indonesia in a depth range from 3-30m, max. length 82cm. In 2020 the species has been assessed for the IUCN Red List of Threatened Species as vulnerable. \nThe double-ocellus marking on middle of side, just behind the head, is unique. \nThe species is often seen resting on the bottom, but occasionally it can also be seen swimming slowly or walking across the bottom using its pectoral and pelvic fins. The Triton's epaulette shark is generally sedentary during the day, seeking shelter under ledges or table corals. \nThis specimen was encountered by night at 3m depth. \nTriton Bay, Kaimana Regency, Indonesia, \n3°56'18.21 S 134°7'10.878 E at 3m depth
Selective focus of The zig-zag eel (Mastacembelus armatus), also known as the tire-track eel, tire-track spiny eel or marbled spiny eel.
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.
Close Up of Eel Swimming in Lake In Auckland New Zealand
Zebra Moray, Gymnomuraena zebra,  from southern Baja California, Mexico,
Electric eel (Electrophorus electricus)
Axolotl. Mexican walking fish. Ambystoma mexicanum
Brown moray eel isolated on white background
Striped Eel Catfishes Plotosus lineatus occurs in the tropical Indo-Pacific from the Red Sea and East Africa to Samoa, north to southern Japan, southern Korea, and the Ogasawara Islands, south to Australia and Lord Howe Island. Palau and Yap in Micronesia. \n\nThe species sometimes enters freshwaters of East Africa (Lake Malawi) and Madagascar. \n\n2016 there was a first record in the Mediterranean (The Lessepsian migration is the migration of marine species along the Suez Canal, usually from the Red Sea to the Mediterranean Sea). \n\nThe species occurs in a depth range from 1 to 60m, max. length 35cm, common length 25cm. It is the only catfish found in coral reefs. There is a single highly venomous serrate spine at the beginning of the first dorsal and each of the pectoral fins. \n\nJuveniles form dense ball-shaped schools of about 100 fish; adults are solitary or occur in smaller groups of around 20 and are known to hide under ledges during the day.\n\nKraka Island, Indonesia\n4°30'10.668 S 129°53'17.694 E at 12m depth
Carcharias taurus, small shark in an aquarium, selective focus
Aquatic (fresh water) nematode living in pond water among cyanobacteria. Live specimen. Wet mount, 10X objective, transmitted brightfield illumination.
Dogfish/Catshark at Portencross on the west coast of Scotland.
Gymnotus electricus
Mudskipper (Pseudapocryptes elongatus) is natural fish, this is delicious fish so that ussualy use i Viet Nam.
Muraena is a genus of twelve species of large eels. Close up on Muraena Helena eel (Muraenidae) with bright yellow spots.
Weather loach (Misgurnus fossilis) on the background of a 5 mm measurement grid. Ichthyology research.
Swell shark, Cephaloscyllium ventriosum, from central California to the Gulf of California
Two morey eel on slab in Tangier fish market, Morocco
Curious eurasian otter (Lutra lutra) looking up.
Fresh eel
an eel searches for food on the Los Llanos region of Colombia
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