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Cirrhilabrus finifenmaa individuals have ornate colors: the anterior body is magenta, the central region is dark purple, and the posterior body is an orange-pink color. Fins are a mix of purple and blue hues. The lateral line is interrupted and is composed of 22-26 porous scales.
Commercial fish. Blue-barred parrotfish (Cateau) Body of female is orange-yellow with bluish vertical patterns on the side. Body of male is green on dorsal side; pale-blue stripes are present on the ventral side and there is a pink salmon shade on each scale. The fish is equipped with a parrot-like beaked shaped mouth to scrape algae from corals.
The fish can be a light purple to a deep violet starting at the head which fades mid-body to a golden yellow at the tail. The royal gramma will also have a small black spot on the front of the dorsal fin and a black line that streaks through the eye.
The purple hue of these tetras will be more apparent in an aquarium with floating plants on the surface and relatively subdued lighting. If the aquarium is too bright, the yellow coloration will dominate. The body is long, slim, and flattened to about 3 inches at maturity.
Close-up of fish melanophores. Fish coloration is produced through specialized cells called chromatophores. The dermal chromatophore is a basic color unit in amphibians, reptiles, and fish which has three cell layers: "the xanthophore (contains carotenoid and pteridine pigments), the iridophore (reflects color structurally), and the melanophore (contains melanin)". [5]
Epinephelus cyanopodus from New Caledonia, young, 135-mm-long specimen. Epinephelus cyanopodus, the speckled blue grouper, also known as the blue maori, purple rock cod, speckled grouper or yellowfin 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.
Toxopneustes pileolus, commonly known as the flower urchin, is a widespread and commonly encountered species of sea urchin from the Indo-West Pacific. It is considered highly dangerous, as it is capable of delivering extremely painful and medically significant stings when touched.
Paracanthurus hepatus is a species of Indo-Pacific surgeonfish.A popular fish in marine aquaria, it is the only member of the genus Paracanthurus. [2] [3] A number of common names are attributed to the species, including regal tang, palette surgeonfish, blue tang (leading to confusion with the Atlantic species Acanthurus coeruleus), royal blue tang, hippo tang, blue hippo tang, flagtail ...