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Underwater scene, showing different colorful fishes swimming

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.

The blacktail butterflyfish (Chaetodon austriacus), also known as black-tailed butterflyfish or exquisite butterflyfish, is a species marine ray-finned fish, a butterflyfish belonging to the family Chaetodontidae.

Scuba diving. Beautiful sea life. Underwater scene at coral reef ( Prickly alcyonarian, finger coral, Fire sponge ) . School of red sea fish ( scalefin anthias ). Pseudanthias squamipinnis .

Symphysodon discus in an aquarium on a green background

barracuda,caranx,snapper, school of fish, underwater tropical fishes, ocean life,

$The genus Acropora has the largest number of species of all the hard corals, and they are among the important building blocks of a reef. Larger colonies are more commonly seen on undisturbed and remote reefs. Many species grow into branching forms that give rise to common names like \$

Tube Sponge, Bunaken National Marine Park, Bunaken, North Sulawesi, Indonesia, Asia

Tropical fish pets in domestic fish tank

Underwater sea life - coral reef. Orange Sulphur damselfish fish and Fire coral, deep in tropical sea.

View of the Caribbean coral reef with the yellow tube sponge in Grand Cayman - Cayman Islands

Male Randall's Anthias' become striped in red and magenta while females will have a yellow nose. Randall's Anthias does best when kept in a species-specific tank of at least 70 gallons, or up a minimum of a 125 gallon aquarium when maintaining a small group. Males are best kept alone with several females, or singly.

Coral Reef with Tropical Fishes, Red Sea, Egypt

$Redbelly Yellowtail Fusilier Caesio cuning occurs in the tropical Indo-West Pacific from Sri Lanka to Vanuatu, to southern Japan and to northern Australia in a depth range from 1-60m, max. length 60cm. The species inhabits coastal areas, usually over rocky and coral reefs forming schools in midwater, feeding on zooplankton. The species is often encountered in silty areas with low visibility at 1-30 m depth. \nSome other fishes like a Rabbitfish, two species of Sergeant Major Fishes and three species of Snappers, Surgeonfishes, Butterflyfishes, Damselfishes a Parrotfish are there. \nTriton Bay, Kaimana Regency, Indonesia, 3°51'36.6 S 133°58'17.55 E at 5m depth$

queen angelfish, yellow face Pomacanthus xanthometopon,emperor angelfish

Pompadour small fish swimming in aquarium. Red Symphysodon discus swims in fishtank, side view

Sea life. Whiteedged soldierfish school of fish, Underwater scene with coral and fish Scuba diver point of view.

Here we see an underwater coral reef ecosystem. The reef consists of mountain corals however large patches of green algae are growing. Coral reefs need algae to provide nutrients, however algae overgrowth can conversely kill a coral reef. Algal blooms are caused by sewage (nitrate) and pollution entering the water. It fertilises the algae causing it to bloom and release deadly pathogens. Too much can lead to an entire ‘Dead Zone’ in the ocean. Parrotfish will normally feed on algae keeping it in check, however overfishing can prevent this natural balance. There is evidence that coral reefs globally are becoming choked by algae. Image taken whilst Scuba Diving at Hin Muang, Andaman Sea, Krabi province, Thailand. Sony mirrorless camera, with underwater housing and Inon Z330 strobe used.

Tropical fish swimming through the open water over coral reef

$Ribboned Sweetlips Plectorhinchus polytaenia occurs in the tropical Indo-West Pacific from West Coast India to Australia in a depth range from 5-40m on coastal and seaward reefs, max. length 50cm. The species is found singly, in small groups under ledges or large resting aggregations by day, foraging for small invertebrates at night. Adults are found on deep, current-prone slopes with rich invertebrate growth; juveniles on sheltered reefs nearby. \nBluestreak Cleaner Wrasses Labroides dimidiatus usually occur in pairs in the tropical Indo-Pacific in a depth range from 1-40m, usually 1-30m, max. length 14cm. The species creates 'cleaning stations' to which fishes come to have crustacean ectoparasites and mucus removed. Cleaning intensity is not related to client size or commonness. Even hands of divers will be cleaned if presented to the cleaning station! \nThis specimen was encountered in the Triton Bay, Kaimana Regency, West Papua Province, Indonesia, 3°54'50.604 S 134°6'0.828 E at 15m depth.$

Close-up portrait of Moray with open mouth peeks out of its hiding place. Yellow-mouthed Moray Eel (Gymnothorax nudivomer) Red Sea, Egypt

Paracanthurus hepatus, Blue tang in Home Coral reef aquarium. Selective focus.

$Sea blooming Coral reef propagated Prickly alcyonarian - Dendronephthya sp. Hot Orange soft coral Scuba diving Underwater Sea life \ncorals propagated$

Colorful tropical fish Sohal Surgeonfish Acanthurus Sohal sohal tang underwater

Close-up of Sailfin tang on the coral reef.

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