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Porpita porpita, or the blue button, is a marine organism consisting of a colony of hydroids [ 2] found in the warmer, tropical and sub-tropical waters of the Pacific, [ 3] Atlantic, and Indian oceans, as well as the Mediterranean Sea and eastern Arabian Sea. [ 4] It was first identified by Carl Linnaeus in 1758, under the basionym Medusa ...
This is the chemical reaction in which chemical energy is converted to light energy. It is estimated that 90% of deep-sea animals produce some sort of bioluminescence. Considering that a large proportion of the visible light spectrum is absorbed before reaching the deep sea, most of the emitted light from the sea-animals is blue and green.
Sea anemones ( / əˈnɛm.ə.ni / ə-NEM-ə-nee) are a group of predatory marine invertebrates constituting the order Actiniaria. Because of their colourful appearance, they are named after the Anemone, a terrestrial flowering plant. Sea anemones are classified in the phylum Cnidaria, class Anthozoa, subclass Hexacorallia.
Sea urchins or urchins ( / ˈɜːrtʃɪnz /) are typically spiny, globular animals, echinoderms in the class Echinoidea. About 950 species live on the seabed, inhabiting all oceans and depth zones from the intertidal to 5,000 metres (16,000 ft; 2,700 fathoms). [ 1] Their tests (hard shells) are round and spiny, typically from 3 to 10 cm (1 to 4 ...
Ascidiacea, commonly known as the ascidians or sea squirts, is a paraphyletic class in the subphylum Tunicata of sac-like marine invertebrate filter feeders. [ 2] Ascidians are characterized by a tough outer "tunic" made of a polysaccharide . Ascidians are found all over the world, usually in shallow water with salinities over 2.5%.
In the 1983 James Bond film Octopussy, the blue-ringed octopus is the prominent symbol of the secret order of female bandits and smugglers, appearing in an aquarium tank, on silk robes, and as a tattoo on women in the order. [ 28][ 2] The Adventure Zone featured a blue-ringed octopus in its "Petals to the Metal" series.
Queen angelfish. The queen angelfish ( Holacanthus ciliaris ), also known as the blue angelfish, golden angelfish, or yellow angelfish, is a species of marine angelfish found in the western Atlantic Ocean. It is a benthic (ocean floor) warm-water species that lives in coral reefs. It is recognized by its blue and yellow coloration and a ...
The Yellow Sea, also known as North Sea, is a marginal sea of the Western Pacific Ocean located between mainland China and the Korean Peninsula, and can be considered the northwestern part of the East China Sea. Since November 1, 2018, the Yellow Sea has served as the location of "peace zones" between North and South Korea.