Black and white guan knife butterfly fish species is also called longfin guan knife, belongs to the disc fish family, mainly distributed in the Indian Ocean, the Red Sea coral reef waters, water omnivorous fish, temperament is also relatively mild, very easy to raise, the body length is generally up to 25cm, so to choose more than 250 liters of aquarium to raise.
The black and white knife butterfly species have a very long dorsal line. The body is white with two wide black stripes, and there is also a black stripe on the eyes. The caudal and dorsal fins are bright yellow. Some knife cutters are also called butterfly fish. It is flattened disc-shaped. The mouth is pointed, the head is triangular, and there is a black band between the eyes. The first spine of the dorsal fin is long and silvery-white, the second dorsal fin is golden yellow, and the caudal fin is golden yellow. The whole body is silvery-white, the front of the dorsal fin to the ventral fin of the pectoral fin has a black ring band, and the first dorsal fin has a black ring band behind the fin, the body of the fish is black and white, very beautiful, so it is loved by many aquarists.
The water temperature of the black and white knife butterfly species is generally between 27-28 degrees Celsius, the proportion of seawater is 1.022-1.023, and the pH of seawater is 8.0-8.5. Generally, their bait is fish, shrimp, crabs, shellfish, water earthworms, marine fish pellet feed, etc., like to peck soft corals, sponges and other invertebrates, is a relatively easy to raise dish fish, suitable for mixed culture with mild fish and other fish of the same species, polyculture should be in the tank at the same time. When the black and white knife is swimming, the long thorns on the back are as beautiful as the flag in the wind.
The black and white knife butterfly fish species is a relatively common dish fish species, so the price is not expensive, and as long as you raise the fish species according to the above feeding conditions, it will definitely be able to make your fish grow healthier. In fact, it is also called Bibi, drill-billed fish. It has a slender mouth that preys on food in rock crevices and holes. The white body has orange vertical stripes, and the stripes wear black edges. There is a dot on the dorsal fin to confuse enemies. It is very different from other butterfly fish and is easy to distinguish.
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