Pomacanthus semicirculatus, or the Koran angelfish or semicircle angelfish, is a ray-finned fish within the family Pomacanthidae. It is discovered within the Indo-West Pacific Ocean. It sometimes makes its means into aquarium commerce. In this article, I am going to talk about Koran Angelfish reef safe, size, juvenile, care, facts, diet, growth rate, changing color, etc.
Koran Angelfish Description
The Koran Angelfish, additionally known as the Semicircular Angelfish or Halfcircled Angelfish, is a particularly common and hardy angelfish.
As a grownup, the body shade is a yellow-green that bleeds from light to darkish shifting entrance to back alongside the body. Lighter areas are speckled-blue whereas darker areas have a more yellow-speckled look.
The head is a plain yellow-green with sapphire-blue gill margins and eye rings. The fins are additionally outlined in sapphire blue. The juvenile is black with white and blue stripes.
The Koran Angelfish requires a 250 gallon or bigger tank with massive quantities of dwell rock for hiding and grazing upon slime algae and cyanobacteria. It is liable to nip at stony and gentle corals (sessile invertebrates) and clam mantles so it’s not a candidate for a reef aquarium.
A diversified weight-reduction plan of Spirulina, marine algae, high-quality angelfish preparations, and mysis or frozen shrimp needs to be supplied not less than 3 times a day.
The grownup semicircle angelfish is a pale brownish-green color. It is a deep-bodied, laterally compressed fish that may develop to a size of 35 centimeters (14 in). The mouth is positioned simply above the tip of the snout, and the eyes are set midway up a long straight brow.
The scales have blue bases that supply the body with a speckled impact. The fins, apart from the pectorals, are rimmed in blue and so are the cheek, operculum, and backbone.
The dorsal fin has 13 spines and 20–23 gentle rays and the anal fin has three spines and 18–22 gentle rays. Both these fins have filaments that path behind because the fish swims. The pectoral fins are pale yellow and have 19–21 gentle rays.
The juveniles in distinction, are blue-black marked from top to backside with slender white stripes. At the top finish, the stripes are pretty straight however they develop into more and more curved as they method the bottom of the tail. The juveniles steadily undertake the grownup coloration when they’re eight to 16 centimeters (3.1 to 6.3 in).
Koran Angelfish Distribution
The semicircle angelfish is discovered within the Indo-Pacific area. Its vary extends from the east coast of Africa to Fiji and Japan, the east coast of Australia, and New Caledonia. It has additionally been seen sporadically off the east coast of Florida since 1999 and at Oahu, Hawaii since 2005.
Koran Angelfish Biology
The semicircle angelfish is discovered on sheltered coral reefs, the place it feeds on algae, tunicates, and sponges. The juveniles are very timid and tough to the method.
This common aquarium favorite undergoes an implausible shade change because it grows into a grownup. When younger, about 1″ (2.5 cm) they’re marked with about 10 white semicircular bands on a deep blue body.
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As the fish grows bigger, the circles open and a golden shade develops within the midbody and facial space. When grownup, all half circles have disappeared and it reveals a powerful yellowish anteriorly or golden posterior.
In full grownup coloration, a shiny blue shade highlights a lot of the fish’s body. About 16″ (40 cm) is the utmost size for this species.
The Koran angel is collected from the Philippines, South China Sea, Okinawa, Melanesia, Red Sea, Indian Ocean, and components of the Indo-Australian Archipelago.
The Koran, like another angelfish and surgeons/tangs, can develop lateral line illness or exhibit shade loss across the head when activated carbon is used within the dwelling marine aquarium.
Avoid continuous use of activated carbon on all marine aquariums. Carbon is often used to take away drugs. Maintain excessive water high quality. Use the very best marine salts. Learn more about the sunfish size.