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Common eel (Anguilla anguilla)
Alligator gar fish in the aquarium
Duck takes risk swimming among New Zealand Long fin eel gathering in stream writhing and slimy.
Sturgeon underwater in aquarium
Eels at the bottom of the ocean
Electric 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.
Selective focus of The zig-zag eel (Mastacembelus armatus), also known as the tire-track eel, tire-track spiny eel or marbled spiny eel.
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
Red tailed catfish
Unique ancient lungfish, surviving from the Jurassic period. Lives in reservoirs with stagnant water, often drying up and overgrown with aquatic vegetation. In the dry season digs in the ground \
Abstract small fish and reflections in the water.
long eel on white background
The Pharaoh Cuttlefish Sepia pharaonis lives in warm water (30Ā°C) and is fast growing. They mate and spawn at 110 days and their life span is 240 days. They lay about 1500 eggs which take 14 days to develop at 28Ā°C. Males are larger than females and most are larger than 1 kg. \n\nIn contrary to a squid's tail fins, cuttlefish have got a fin fringe running around all of the body side. A cuttlefish moves by undulating that fringe. Additionally, the cuttlefish can use the rocket propulsion typical of all cephalopods: Water is pressed from the pallial (mantle) cavity through the hyponome or siphon (a muscular tube), which is also used to direct the propulsion. So the cuttlefish is driven backward, which it uses mainly to evade an enemy, especially on short distances. \n\nThis specimen is howering near the Lava Flow of Neira Island, Banda Sea, Indonesia \n4Ā°30'20.418 S 129Ā°52'57.456 E at 8m depth
Close Up of Eel Swimming in Lake In Auckland New Zealand
Pink salmon or humpback salmon (Oncorhynchus gorbuscha) is a species of anadromous fish in the salmon family. It is the smallest and most abundant of the Pacific salmon. Pink salmon run.  Prince William Sound; Alaska; Chugach National Forest;  Nellie Juan-College Fiord Wilderness Study Area; .Pacific Ocean; Gulf of Alaska.
Close Up of Shortfin eel ,Anguilla bicolor isolated on white background
an eel searches for food on the Los Llanos region of Colombia
Common Eel or European Eel, anguilla anguilla, Adult buried in the ground
sturgeoniat
Jundiara Catfish (Pseudoplatystoma sp x Leiarius marmoratus) - Hybrid Freshwater Fish
Sharksucker Echeneis naucrates is found in inshore as well as offshore in tropical and warm temperate waters at depths from 20-50 m (66-164 ft). Although known for attaching to a variety of hosts including sharks, rays, large bony fishes, sea turtles and marine mammals as well as sometimes ships, the sharksucker is often observed in free-swimming groups over shallow coral reefs. This species is dependent upon their hosts for survival as they are a poor swimmer and lack a swim bladder. This specimen is attached to thecarapace of a Green Turtle Chelonia midas. Palau, Micronesia, 6Ā°59'2.82\
Zig-zag eel fish isolated on white background, Mastacembelus armatus
These garden eels are hovering over the sandy bottom of their aquarium.
Arapaima gigas, one of the largest fish living in the Amazon
Aquarium tropical fish: otocinclus
These fish inhabit the waters of North America. Elongated body and long, dotted with rare and very sharp teeth mouth. It is found in freshwater ponds and reaches enormous size (2.5 - 3 meters) and weight over 100 kg.
Tropical fish swimming in the aquarium
Head of tortoise looing at camera
The Atlantic wolffish (Anarhichas lupus), also known as the seawolf, Atlantic catfish, ocean catfish, devil fish, wolf eel (the common name for its Pacific relative), or sea cat, is a marine fish, the largest of the wolffish family Anarhichadidae.
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