Описание
Chrysiptera parasema, commonly known as the Yellowtail Blue Damsel or Goldtail Demoiselle, is a small, vibrant saltwater fish with a distinct blue body and bright yellow tail. It is a popular aquarium fish due to its hardiness and striking appearance.
Key Features:
-
Appearance: The body is a rich, velvety dark blue, with a bright yellow tail (caudal fin) and sometimes yellow on the back of the anal and dorsal fins.
-
Size: Reaches up to 2.8-3 inches (7.1-7.6 cm) in length.
-
Origin: Found in the Indo-Pacific region.
-
Behavior: Known for being semi-aggressive and territorial, especially in confined spaces.
-
Diet: Omnivorous, eating algae, invertebrates, and small crustaceans.
-
Reef Compatibility: Generally reef-safe.
-
Care: Requires a well-established reef aquarium with ample hiding places, stable water parameters, and a diet of high-quality foods.
Distinguishing Features:
-
The yellow tail is a key characteristic that distinguishes it from similar damselfish species, such as the Azure Demoiselle (Chrysiptera hemicyanea), which has more yellow coloration on its body.
-
It can also be distinguished from other similar species by the intensity of the blue coloration and the presence of yellow on the caudal peduncle.
In Summary:
The Yellowtail Blue Damsel is a beautiful, relatively hardy, and popular aquarium fish known for its striking colors and unique tail. It's important to note that it can be territorial and requires a suitable aquarium environment to thrive.
