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Despite its name, a black coral is rarely black, and depending on the species can be white, red, green, yellow, or brown. The corals derive their name from their black skeletons, which are composed of protein and chitin. [3] Black corals are also known as thorn corals due to the microscopic spines lining their skeletons. [4]
Orange-lined triggerfish are particularly aggressive. The black and white fish are three-stripe damselfish and the unstriped fish are blue-green chromis damselfish. If the triggerfish attacks, the damselfish will hide in the nearby cauliflower coral. If the triggerfish wants to hide, it will squeeze into a coral crevice and lock itself in place ...
White "black coral". Gooseneck barnacles are attached to a branch in the lower right center. In the deep waters off Malta in the Mediterranean Sea, Leiopathes glaberrima is the dominant species in what have been called "coral gardens", where it is associated with other scleractinian corals, gorgonians and zoanthids. The areas are characterised ...
Examples of computer clip art, from Openclipart. Clip art (also clipart, clip-art) is a type of graphic art. Pieces are pre-made images used to illustrate any medium. Today, clip art is used extensively and comes in many forms, both electronic and printed. However, most clip art today is created, distributed, and used in a digital form.
These Red Sea fish are listed as Reef-associated by Fishbase: Acanthuridae. Acanthurus gahhm, Black surgeonfish; Acanthurus mata, Elongate surgeonfish; Acanthurus nigrofuscus, Brown surgeonfish; Acanthurus sohal, Sohal surgeonfish; Acanthurus tennentii, Doubleband surgeonfish; Acanthurus xanthopterus, Yellowfin surgeonfish
Coral reefs are some of the most biodiverse habitats on earth, supporting large numbers of species of corals, fish, molluscs, worms, arthropods, starfish, sea urchins, other invertebrates and algae. Because of the photosynthetic requirements of the corals, they are found in shallow waters, and many of these fringe land masses. [24]
Black corals are so called because the main axial skeleton is made of a spiny, keratin-like substance called "antipathin" which is a dark brownish-black. This colonial coral has a bushy, two dimensional form and grows out of a holdfast firmly anchored to a rock. It can grow to 1.5 m (5 ft) tall and a similar width.
Antipathidae is a family of corals in the order Antipatharia, commonly known as black corals. They are generally considered a deep-water taxon; however, some of the most diverse communities are known from tropical shallow waters.