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Epinephelus flavocaeruleus, commonly called blue-and-yellow grouper, is a species of marine ray-finned fish, a grouper from the subfamily Epinephelinae which is part of the family Serranidae, which also includes the anthias and sea basses. It is associated with reefs in the Indian Ocean.
Ctenochaetus strigosus, the kole tang, spotted bristletooth, spotted surgeonfish, goldring bristletooth, goldring surgeonfish, yelloweye tang or yellow-eyed surgeonfish, is a species of marine ray-finned fish belonging to family Acanthuridae which includes the surgeonfishes, unicornfishes and tangs. This fish is endemic to Hawaii.
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 porpita.
The marginated damsel is noted for blue fins as well as the yellow head and white body. This fish is hardy like most damsels and is also highly aggressive when mature. 6 cm (2.4 in) Neon damsel: Pomacentrus alleni: Yes: 6 cm (2.4 in) Ocellate damsel: Pomacentrus vaiuli: Yes: 9 cm (3.5 in) Pavo damsel: Pomacentrus pavo: Yes [49]: 215 11 cm (4.3 in)
In 2004 a mold was created for a never produced Metamorphosis Alpha coin game. The mold consisted of 10 coins which would have variations in white, yellow, blue, green, and red. The mold was sold to a private collector via ebay in May of 2022.. A number of books have been released, detailing further adventures aboard the Starship Warden.
Their colors change during growth from a yellow juvenile, yellow tailed blue subadult and the blue adult phase. Acanthurus coeruleus exhibits biofluorescence , that is, when illuminated by blue or ultraviolet light, it re-emits it as green, and appears differently than under white light illumination (see image to the right).
Chrysiptera parasema is a popular fish in the saltwater aquarium hobby. Because of its usually low price it is often recommended as a way for novice marine aquarium keepers to gain experience. [4] Though these hardy fish are sometimes used to cycle a tank, aquariums discourage against this practice, encouraging the use of live rock instead. [5]
The International Union for Conservation of Nature lists this fish as being of “least concern”. The species is exploited on a minor scale, for fisheries and the aquarium trade. It may be threatened by the invasive lionfish. Adult and young adult damselfish differ significantly in terms of body color.