The black swallowtail is entirely black with a laterally compressed body, resembling a swallow in flight. They are gentle in nature, swim gracefully, and are highly valued for their ornamental qualities. Black swallowtails grow to 15-20 cm in length. They have very high requirements for water temperature and quality, making them relatively difficult to keep. How to raise black swallowtails? Black swallowtail farming.
Black Angelfish Water Temperature: The ideal water temperature for Black Angelfish is between 22-26 degrees Celsius. Temperatures that are too high or too low can cause disease or even death. Heaters and temperature control devices can be purchased at pet markets or online. Black Angelfish Water Quality: Black Angelfish thrive in slightly acidic water, and can survive well with a pH level between 6.5 and 7.4.
Black angelfish can be fed various foods including bloodworms, tubifex worms, mealworms, small live fish, and pellet food. They primarily eat animal-based food, but you can also buy dry food from aquarium stores, such as dried worms, dried shrimp, and formulated dry food. These foods are easy to store, can last for several months, and are not expensive. If you want to breed them, live food is best.
Water Changes for Black Angelfish: When changing the water for black angelfish, it's important to let the tap water sit for about two days to remove chlorine. Use the siphon principle to clean away any residue at the bottom of the tank, replacing about 1/3 of the old water. When changing the water, slowly pour the new water along the side of the tank, not directly onto the black angelfish, as this will startle them or cause stress.
Black angelfish breeding: Black angelfish reach sexual maturity at 6-8 months of age. When selecting breeding fish, it is best to choose healthy ones with vibrant colors. The water temperature is best controlled at 25-26 degrees Celsius. To prevent malnutrition in the parent fish, it is best to use a variety of foods.
The above describes how to raise black wrasse, which you can use as a reference.
