Cnidarian Collection (page 17)

Moon jellyfish C015 / 7570
Moon jellyfish (Aurelia aurita). This jellyfish, also known as the common jellyfish, is found in coastal waters throughout the world. Photographed in the White Sea, Russia

Atlantic wolffish C015 / 7553
Atlantic wolffish (Anarhichas lupus). The Atlantic wolffish inhabits the rocky bottoms of the north-eastern and north-western Atlantic Ocean coasts, where it feeds on hard-shelled molluscs

Table coral C014 / 2901
Table coral. Acropora sp. coral on a reef. Photographed in the Maldives

Coral reef, Thailand C014 / 2891
Coral reef. Fish swimming around soft corals (order Alcyonacea) and brightly coloured Christmas tree worms (Spirobranchus giganteus) on a boulder made of Porites sp. hard coral

Black pyramid butterflyfish on a reef C014 / 2900
Black pyramid butterflyfish (Hemitaurichthys zoster) swimming over Acropora sp. coral on a sunlit reef. Photographed in the Maldives

Sunlit coral reef C014 / 2898
Sunlit coral reef. Sunlit Acropora sp. coral on a reef. Photographed in the Maldives

Sunlit coral reef C014 / 2897
Sunlit coral reef. Sunlit Acropora sp. coral on a reef. Photographed in the Maldives

Sun rays over a coral reef C014 / 2895
Sun rays over a coral reef. Sunlit Acropora sp. coral on a reef. Photographed in the Maldives

Nudibranchs on a sea pen C014 / 2909
Nudibranchs on a sea pen. Nudibranch (Armina sp.) sea slugs feeding on a sea pen (Veretillum sp). Nudibranchs are shell-less marine molluscs that live in seas around the world

Coral hind on a coral reef C014 / 2908
Coral hind (Cephalopholis miniata) grouper on a coral reef. Photographed in the Andaman Sea, Thailand

Table coral C014 / 2902
Table coral. Acropora sp. coral on a reef. Photographed in the Maldives

Green hydra, light micrograph C014 / 4680
Green hydra. Darkfield illuminated light micrograph of the tentacled head of a green hydra (Hydra viridis). Hydra are small simple predatory fresh-water animals, belonging to the phylum Cnidaria

Green hydra, light micrograph C014 / 4681
Green hydra. Darkfield illuminated light micrograph of a green hydra (Hydra viridis), showing its tentacled head. Hydra are small simple predatory fresh-water animals

Green hydra, light micrograph C014 / 4678
Green hydra. Light micrograph of the tentacled head of a green hydra (Hydra viridis). Hydra are small simple predatory fresh-water animals, belonging to the phylum Cnidaria

Green hydra, light micrograph C014 / 4679
Green hydra. Darkfield illuminated light micrograph of a green hydra (Hydra viridis), showing its tentacled head. Hydra are small simple predatory fresh-water animals

Biorock reef restoration, Indonesia C016 / 8112
Biorock reef restoration. Healthy hard corals growing on a Biorock reef restoration structure. The Biorock process was developed by Thomas Goreau and Wolf Hilbertz in the 1970 s

Biorock reef restoration, Indonesia C016 / 8110
Biorock reef restoration. Marine biologist attaching coral fragments to a Biorock reef restoration structure. The Biorock process was developed by Thomas Goreau and Wolf Hilbertz in the 1970 s

Biorock reef restoration, Indonesia C016 / 8108
Biorock reef restoration. Marine biologists collecting coral fragments to populate a Biorock reef restoration structure. The Biorock process was developed by Thomas Goreau

Biorock reef restoration, Indonesia C016 / 8109
Biorock reef restoration. Marine biologists attaching coral fragments to a Biorock reef restoration structure. The Biorock process was developed by Thomas Goreau and Wolf Hilbertz in the 1970 s

Biorock reef restoration, Indonesia C016 / 8107
Biorock reef restoration. Marine biologist checking an established Biorock reef restoration structure. The Biorock process was developed by Thomas Goreau and Wolf Hilbertz in the 1970 s

Biorock reef restoration, Indonesia C016 / 8104
Biorock reef restoration. Healthy hard corals beginning to grow on a Biorock reef restoration structure made from old bicycles

Biorock reef restoration, Indonesia C016 / 8105
Biorock reef restoration. Healthy hard corals beginning to grow on a Biorock reef restoration structure. The Biorock process was developed by Thomas Goreau and Wolf Hilbertz in the 1970 s

Biorock reef restoration, Indonesia C016 / 8103
Biorock reef restoration. Sign declaring the Pemuteran Biorock Coral Restoration Area, Pemuteran, Bali, Indonesia, as a no-fishing zone

Moon jellyfish rhopalium
Moon jellyfish (Aurelia aurita) rhopalium. This jellyfish, also known as the common jellyfish, is found in coastal waters throughout the world

Sea pen C014 / 2923
Sea pen. Close-up of the branching tentacles of a Vurgilaria sp. sea pen. Sea pens are colonial soft coral organisms related to sea feathers

Fish on a sea pen C014 / 2922
Fish on a sea pen. Triplefin (family Tripterygiidae) blenny resting on a collapsed sea pen (Pteroeides sp.). Sea pens are colonial soft coral organisms related to sea feathers

Moon jellyfish C018 / 2549
Moon jellyfish (Aurelia aurita). These jellyfish, also known as the common jellyfish, are found in coastal waters throughout the world

Pygmy sweepers (Parapriacanthus guentheri) swimming amongst corals on a reef. Photographed in the Red Sea, Egypt

Moon jellyfish C018 / 2545
Moon jellyfish (Aurelia aurita). These jellyfish, also known as the common jellyfish, are found in coastal waters throughout the world

Sponge on a reef. Red sponge (phylum Porifera) branching amongst corals on a reef. Photographed in the Red Sea, Egypt

Pacific sea nettle jellyfish C018 / 2547
Pacific sea nettle (Chrysaora fuscescens) jellyfish. This species has a distinctive golden-brown bell, up to 30 cm in diameter, whitish oral arms

Pacific sea nettle jellyfish C018 / 2546
Pacific sea nettle (Chrysaora fuscescens) jellyfish. This species has a distinctive golden-brown bell, up to 30 cm in diameter, whitish oral arms

Red soldierfish on a reef
Red soldierfish (Myripristis murdjan) sheltering in soft coral on a reef. Photographed in the Red Sea, Egypt

Sea pen and triplefin blenny. Close-up of the branching tentacles of a Virgularia sp. sea pen with a triplefin blenny (family Tripterygiidae) fish resting on it

Gorgonian. Close-up of a gorgonian (sea fan) colony showing its individual polyps (white). A gorgonian is a coral-like colony of polyps that form a tough structure (red)

Pacific sea nettle jellyfish C018 / 2550
Pacific sea nettle (Chrysaora fuscescens) jellyfish. This species has a distinctive golden-brown bell, up to 30 cm in diameter, whitish oral arms

Pacific sea nettle jellyfish C018 / 2548
Pacific sea nettle (Chrysaora fuscescens) jellyfish. This species has a distinctive golden-brown bell, up to 30 cm in diameter, whitish oral arms

Cabbage coral. Close-up of folds of cabbage coral (Turbinaria reniformis) on a reef. Photographed in the Red Sea, Egypt

Table coral. Fish swimming around Acropora sp. coral on a sandy sea-bed. Photographed in the Maldives

Red Sea bannerfish on a reef. Red Sea bannerfish (Heniochus intermedius) sheltering behind net fire coral (Millepora dichotoma) on a reef

Red Sea bannerfish on a coral reef
Red Sea bannerfish (Heniochus intermedius) on a coral reef. These fish inhabit coral reefs in the tropical western Indian Ocean, including the Red Sea

Crescent-tail bigeye fish on a coral reef. Male crescent-tail bigeyes (Priacanthus hamrur) can reach a maximum length of 45cm. Photographed in the Red Sea, Egypt

Lyretail anthia on a reef. Male lyretail anthia (Pseudanthias squamipinnis) with net fire coral (Millepora dichotoma) on a reef

Fossil coral C016 / 5619
Fossil (Kodonophyllum truncatum) coral. This specimen dates to the Silurian period and was found in Dudley, West Midlands, UK

Gorgonian coral, artwork C016 / 5570
Gorgonian coral. Watercolour of Gorgonian coral (subclass Octocorallia) by Sarah Stone (circa 1760-1844) from the collection of Sir Ashton Lever

Gorgonian coral, artwork C016 / 5569
Gorgonian coral. Watercolour of Gorgonian coral (subclass Octocorallia) by Sarah Stone (circa 1760-1844) from the collection of Sir Ashton Lever

Lithostrotion, coral fossil C016 / 4843
Lithostrotion, coral fossil. Corals comprise a soft bodied animal called a polyp. Each polyp inhabits a calcareous skeleton called a corallum. This specimen dates from the Carboniferous

Lonsdaleia, coral fossil C016 / 4841
Lonsdaleia, coral fossil. Corals comprise a soft bodied animal called a polyp. Each polyp inhabits a calcareous skeleton called a corallum. This specimen dates from the Carboniferous

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"Cnidarian Wonders: Exploring the Elegance of Hydromedusa Jellyfish in Coastal Waters" Diving into the vast Pacific-Atlantic waters, one encounters a mesmerizing sight - the elegant Hydromedusa Jellyfish gracefully gliding through the depths. With its translucent bell and delicate tentacles trailing behind, this cnidarian species captivates all who behold it. Intriguingly, these ethereal creatures share their habitat with other fascinating beings. The stealthy Caiman crocodilus crocodilus and elusive Anilius scytale lurk beneath the surface, adding an air of mystery to this underwater realm. Venturing further westward, we find ourselves at the Vancouver Aquarium in Canada. Here, Japanese Sea Nettles and Pacific Sea Jellies enchant visitors with their vibrant hues as they float effortlessly within their tanks. These captivating displays remind us of nature's artistic prowess. But it is on Australia's Ningaloo Marine Park where both coral reefs and sandy beaches converge to create a breathtaking scene. From above water, pristine white sands meet crystal-clear turquoise waves; while below water lies a kaleidoscope of colors as diverse marine life thrives amidst vibrant corals. Komodo Island in Indonesia beckons adventurers seeking an underwater paradise. At a depth of 12 meters lies an awe-inspiring coral reef scene teeming with life - from schools of tropical fish darting between intricate formations to Mountain Avens nestled among Fossil Coral on Parker Ridge in Banff National Park, Rockies, Canada. The Great Barrier Reef off Queensland's coast unveils its wonders through Ron & Valerie Taylor's lens. Their photographs capture two distinct scenes that showcase Mother Nature's artistry - one bursting with vivid colors and another displaying serene beauty beneath tranquil waters. As we journey deeper into Komodo Marine Park in Indonesia once again, we encounter Lionfish majestically swimming amongst Tubastrea Coral and Sea Fans.