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The dugong is a medium-sized marine mammal. It is one of four living species of the order Sirenia, which also includes three species of manatees. It is the only living representative of the once-diverse family Dugongidae; its closest modern relative, Steller's sea cow (Hydrodamalis gigas), was hunted to extinction in the 18th century. The dugong is the only strictly marine herbivorous mammal, as all species of manatee use fresh water to some degree.
Two thresher shark in Malapascua Island. Philippines
Close-up of Needlefish slowly swims under surface of the blue water reflecting from the water surface, Red sea, Egypt
A remora looks for a ride.
Blue black stripped Marlin Sailfish with large sail-like dorsal fin trophy mounted on a wall
Large tropical fish swimming through the open ocean
Underwater image of Nurse shark in the blue ocean of Bimini, The Bahamas
Xenacanthus from the Triassic era 3D illustration
Fresh Raw Florida Pompano fish  Isolated on white background, top view
Red sea bream on white background
giant extinct ocean creature
Close-up of a dusky grouper (Epinephelus marginatus) in the aquarium.
Sturgeon fish isolated on white background
Redbreasted Wrasse Cheilinus fasciatus occurs in the tropical Indo-Pacific from the east coast of Africa and islands of the western Indian Ocean to Micronesia and Samoa and Tonga, north to the Ryukyu Islands, Japan and south to Queensland, Australia in a depth range from 4-60m, but usually not deeper than 40m, max. length 40cm. This specimen was encountered at the Iro Wreck, a 143 meter oil tanker wreck since March 1944, WWII, was ordered by the Japanese Navy during the 1920´s building programs. Although heavily overgrown with black coral and sponges, the torpedo hole is still clearly visible. The wreck sits upright between 15m and 36m of water. The outside of the ship has developed a nice coating of colourful invertebrates, mostly sponges and oysters. Palau 7°17'40.08 N 134°25'15.51 E at 20m depth
Barracuda in The Indian Ocean, Maldives
Pandalus platyceros, also called California spot prawn,  Monterey Bay spot prawn, or Alaskan prawn, is a shrimp of the genus Pandalus. Monterey County, California
Pteraspis from the Devonian era 3D illustration
Red tailed catfish
Large white fish is swimming in a dark cave. The fish is surrounded by rocks and plants. Scene is mysterious and calm. Big fish gracefully swimming in aquarium water
Tropical fish swimming through the open water over coral reef
coral reef in the Red Sea, egypt
Close up shot of hammerhead shark swimming on the ocean floor.
The halavi guitarfish - (Glaucostegus halavi), underwater photo into the Red Sea
On the ocean floor of the Indo-Pacific Ocean
Delicious black sea bream isolated in white. ( Diplodus puntazzo ), Fresh fish
Holacanthus clarionensis, also known as the clarion angelfish, is a species of marine angelfish of the family Pomacanthidae.   Baja  California. Mexico.
giant extinct ocean creature
Large Kingfish or Amberjack swimming in clear blue water
Computer generated 3D illustration with the prehistoric fish Rhizodus
The shark's keen eyes and pointed snout are prominent features, while its blue coloration is characteristic of the species. The photo provides a unique and detailed view of the shark's anatomy and behavior, and serves as a valuable scientific record of this important marine predator. It is a reminder of the need to study and protect these creatures, which play a vital role in maintaining the health and balance of our oceans.
Free Images: "bestof:Barathronus bicolor.jpg Barathronus bicolor From plate 85 of Oceanic Ichthyology by G Brown Goode and Tarleton H Bean published 1896 PD-old From http //www"
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