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Centropyge bispinosa



Centropigus biceps naturally inhabit the Indian and Pacific Oceans, from East Africa to the Philippines. Most of these fish appearing in the domestic trade are imported from Fiji, a state in the South Pacific on the eponymous archipelago of more than 300 islands.

The Centropyge bispinosa fully lives up to its name. Their head, upper body, and dorsal fin are bright blue or purple. This color changes to yellow or orange, which changes to pink in the middle of the body. This transition is crossed by vertical stripes. The pectoral fins are usually orange or yellow. The pelvic fins are blue or purple. This species is also sold under other aliases (Centropyge bispinosus, Centropyge hispinosus, Holacanthus bispinosus).

Like most dwarf imperial fish, this species is hermaphroditic. They are born without a fixed sex. They then develop into females. In the female population, the largest and most dominant female undergoes hormonal changes and changes sex to male.

Centropyge bispinosa

The Centropyge bispinosa is an exotic and very beautiful marine fish. The adult size is only 10 cm. Therefore, a huge aquarium is not necessary. They can be kept in an aquarium of about 200 liters. Centropigus bicuspids are some of the hardiest species in their family. They require little maintenance and are therefore an ideal choice for novice marine aquarists.

Regardless of size, most dwarf emperor fish are considered moderately aggressive. However, this species is the most peaceful member of the family. Centropigus bicuspids can suppress smaller fish and be aggressive toward similar species. This species can be safely kept in a reef aquarium if you launch them at a young age and feed them well in the future.

Water parameters: temperature 22-25° C, hardness dH 8-12°, acidity pH 8-12, salinity 1.020-1.025.

Centropyge bispinosa

This species is omnivorous. Young fish feed mainly on plankton. Adults mainly feed on algae. The aquarium should contain a sufficient number of live rocks to provide the main menu of these fish. Corals, crustaceans, mollusks and worms make up the rest of the adults' diet. That's why it's best to get these fish into a reef aquarium when they are young. The trick is to get them accustomed to aquarium food and algae before they develop their mature taste. Feed them 2-3 times a day.


Reproduction

Centropigus biceps are one of the few marine fish that reproduce in the aquarium.

The reproductive cycle begins with the release of germ cells (gametes) into the water. The presence of these gametes causes the female to spawn. In nature, spawning occurs at dusk. In the aquarium, this cycle is similar to that in the wild. Spawning occurs about 1 hour before the light in the aquarium is turned on by a timer. The fact that spawning habits remain unchanged in captivity is phenomenal.

Courtship begins with the male pacing back and forth in a sort of prelude to courtship. As soon as the female gives him attention, the fish start swimming side by side. They seek out the most turbulent part of the aquarium. Usually this is the diverting nozzle of the aquarium filter water. The male bumps his nose into the side of the female. The female responds by spreading her fins seductively before swimming away so that she doesn't seem to succumb too easily to the attachment of the male.

Centropyge bispinosa

At the end of courtship, the female hatches alternately in the water column about 12-20 eggs, which the male immediately fertilizes. The eggs float downstream. The fry feed on plankton. The newly hatched fry can be fed Artemia nauplii, which increases their chances of survival.

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