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A close-up view captures the intricate beauty of Acabaria biserialis coral thriving in the vibrant marine ecosystem of Sudan's Red Sea.
Sago palm flower Cycas revoluta at the La Brea Tar Pits, Los Angeles, California. It dominated the landscape in the Mesozoic era.
Detail of a Sea Whip. Soft corals are sessile, they cannot hide or run away from predators or space competitor. Instead, they produce a range of chemical substances, which effectively deter predators, prevent overgrowth by neighbours or fouling organisms. \nThe terms «sea fan» and «sea whips» describe the shape, but they are both Octocorallia. «Sea fans»or «gorgonians» are Octocorallia with a fan-shaped morphology, contrasting them with unbranched species, which they generally call «sea whips». In science there is no distinct dividing line between soft corals and gorgonians. \nTriton Bay, Indonesia \n3°54'52.062 S 134°7'21.384 E at 10m depth
social feather duster, Bispira brunnea
Sea life  Orange Gorgonian coral from scuba diver point of view
Detail of the polyps growing in a gorgonian in Raja Ampat, Indonesia. The robust coral reefs of this remote, tropical region support the greatest marine biodiversity on Earth.
This is yellow kelp growing on the California coast in Redwood National Park at Enderts Beach, USA.
Stranded washed up fancoral caribbean on beach in Playa del Carmen Quintana Roo Mexico.
Yellow flowers of Grevillea robusta tree or Australian silver oak
Red coral Coralium rubrum
Colonial Ascidian Didemnum psammatodes is native to Northern Australia and other tropical and subtropical regions in the Indo-West Pacific in a depth range from 1-15m. \nThe species is introduced to the Atlantic where it was first recorded in Guadeloupe in 1980-1981. Since then it has been reported in several areas, probably transported to the Atlantic through shipping and hull fouling.\nThe scattered large exhalant openings are distinctive for that species. As a filter feeder, Didemnum psammatodes is not eating but just overgrowing the coral. \nTriton Bay, West Papua Province, Indonesia, \n3°54'3.384 S 134°6'26.448 E at 16m depth
Seabed with anemones
Sea life  Yellow soft coral symbiotic relationship with sponge Aquatic organism Close up, macro photo. Scuba diver point of view
red coral
Preparation of the assassin pasta - Antique recipe from Bari, Puglia, Italy
Alcyonaria Soft coral texture, Amed, Bali
Seasweed on rocks on Durness Beach (Scottish Highlands)
LPS Coral
Knotted Fan Coral Melithaea ochracea occurs in the tropical Indo-West Pacific in a depth range from 3-18m. The main skeletal stalk and branches of  this Gorgonian Sea Fan are jointed, with swellings at the larger joints. The internodes are composed of hard, calcareous material while the joints are flexible and made of a horny material. These specimen of white Polyps are extended, as they are feeding. Several little crabs and shrimps are hiding in this Gorgonian Sea Fan. Palau, Micronesia, 7°4'54.456 N 134°15'43.506 E at 10m depth by night
Brittle stars, serpent stars, or ophiuroids are echinoderms in the class Ophiuroidea,
salt water tropical fish, yellow fish, angel fish, box fish, lamp fish, heart fish
A gorgonian with open polyps is a beautiful sight to behold. The polyps, which are small, tentacled creatures, are arranged in a branching pattern that can be quite intricate. The polyps can be a variety of colors, including white, pink, blue, and green. When the polyps are open, they look like tiny flowers.\n\nGorgonians are found in tropical and subtropical waters around the world. They can live in a variety of habitats, including coral reefs, seagrass beds, and even on the open ocean floor. Gorgonians are filter feeders, meaning they collect food from the water column. They do this by using their tentacles to trap plankton and other small organisms.\n\nGorgonians are an important part of the marine ecosystem. They provide food and shelter for a variety of marine creatures, including fish, shrimp, and crabs. Gorgonians also help to stabilize the seafloor and prevent erosion.
Abstract Sea life worm Spiral tubeworm Underwater beauty Scuba diver point of view
Detail of a reef-building coral colony growing on a healthy reef in Indonesia.
A close-up image of the algae Kappaphycus alvarezii the elkhorn sea moss
Close up on tropical corals of Reunion island and Mayotte
The stem of this Dendronephthya Soft Coral reveals the pattern of the sclerites. These spiny skeletal elements are important for the support of these corals, the spiky structure also deters predators and is useful in species ID. Each polyp has eight pinnate tentacles which it uses to capture nutrients suspended in the water column. Southwest Peleliu Island, Palau, Micronesia, 7°0'48.69 N 134°13'7.01 E at 12m depth
Soft coral Alcyonium sp.
Daytime top view close-up of Seaweed (Fucus Vesiculosus) at the Dutch Wadden (the Wadden Sea, a World Heritage Site) near Termunterzijl {Groningen), shallow DOF
Free Images: "bestof:Colony of Gorgonia flabellum.jpeg check categories 17 August 2015 3 Colony of Gorgonia flabellum Subject Gorgonacea Corals Tag Invertebrates 1902 Cite book"
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