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P. normani exhibits a yellow and blue bicolor, while M. scheeli has a translucent gray body, and P. stigmatopygus has a yellow/gray mix on the body surface. [8] The vibrant colors, large eye, and small size of P. normani make it a popular choice for home aquariums. The species is readily available through aquarium trade and online vendors.
Its body is purplish gray. It has a region of dull yellow in front of its eye. The outer third of its pectoral fin is yellow, the extreme distal part is hyaline. Its dorsal and anal fins are yellowish grey basally and dull yellow distally. Its caudal fin is purplish and the caudal spine is small. [4]
The Pseudomugilidae, the blue-eyes, are a subfamily of atheriniform fish in the rainbowfish family Melanotaeniidae. [1] They inhabit fresh and brackish water in Australia, New Guinea and nearby smaller islands. [2] Blue-eyes are small fish, typically no more than 5 cm (2.0 in) in length.
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.
The blue maomao has a laterally, compressed and relatively deep body with a noticeably forked tail. They have protrusible jaws, equipped with a number of rows of small, closely set teeth, which are used to capture larger zooplankton. The adults are deep blue dorsally and pale ventrally, at night they change colour to a mottled dark green.
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 Pacific blue-eye generally reaches a total length of around 3–3.5 cm (1 + 1 ⁄ 8 – 1 + 3 ⁄ 8 in) long; males can reach 8.8 cm (3 + 1 ⁄ 2 in) and females 6.3 cm (2 + 1 ⁄ 2 in). [4] The size of Pacific blue-eyes found north of the Burdekin Gap increases directly with distance from the gap, males and females being the same size.
The yelloweye is one of the world's longest-lived fish species, and is cited to live to a maximum of 114 to 120 years of age. As they grow older, they change in color, from reddish in youth, to bright orange in adulthood, to pale yellow in old age. Yelloweye live in rocky areas and feed on small fish and other rockfish.