Azure Demoiselle, scientifically known as Chrysiptera hemicyanea, is a type of damselfish.
It’s also called Azure Damselfish, Half-blue Demoiselle, and Yellow-dipped Damsel.
This fish lives in lagoons and close to shore reefs, typically among branching corals. It’s often found near Acropora corals.
Azure Demoiselle swims in small groups and eats plankton about 0.3 to 0.5 meters above the ocean floor.
This species is active during the daytime (diurnal) and is safe for coral reefs.
Azure Demoiselle Interesting Facts
- Azure Demoiselle, or Chrysiptera hemicyanea, are small tropical fish found in the eastern Indian Ocean and Indonesia.
- They live close to shore reefs and lagoons, often near Acropora corals.
- During the breeding season, these fish form pairs and lay eggs that stick to underwater surfaces.
- Males protect and oxygenate the eggs by fanning them with their fins.
Azure Demoiselle Habitat
Azure Demoiselle is a tropical fish found in the eastern Indian Ocean, specifically at Rowley Shoals, Scott Reef, and Ashmore Reef, as well as in Indonesia.
It lives in marine environments near coral reefs and doesn’t migrate. This fish usually stays within a depth range of 1 to 38 meters (3 to 125 feet).
Azure Demoiselle Physical Characteristics
Size: 2.8 inches (7.0 centimeters)
Azure Demoiselle is a small fish with a maximum length of 2.8 inches (7.0 centimeters).
It has 13 dorsal spines, 10 to 12 dorsal soft rays, 2 anal spines, and 11 to 12 anal soft rays.
The head and body of Azure Demoiselle are blue, while its belly is yellow, extending to the bottom and tail fins. Its body depth is about half its length.
Azure Demoiselle Reproduction
Azure Demoiselle lays eggs, which stick to surfaces underwater (known as demersal).
During the breeding season, it forms distinct pairs. Male Azure Demoiselle protects and provides oxygen to the eggs by fanning them with its fins.