The Yellowback Anthias, Goldback Anthias, scientifically known as Pseudanthias evansi, is a captivating and vibrant fish species residing in the tropical waters of the Indo-Pacific region. This fish is recognized for its striking coloration and graceful movements, making it a popular subject among aquarists and marine enthusiasts alike.
Description & Characteristics
The Pseudanthias evansi is characterized by its striking color pattern, featuring a bright yellow or gold coloration along its back and a contrasting reddish-orange body. These fish can reach a maximum size of 12.0 cm, showcasing a slender and elongated body form typical of anthias. The Pseudanthias evansi is adorned with delicate fins, including long flowing dorsal and caudal fins, adding to its elegance.
Habitat and Occurrence
The Yellowback Anthias, Goldback Anthias Pseudanthias evansi thrives in a variety of habitats within the marine environment, particularly in the Subtidal, sublittoral, infralittoral, deep zone of the oceans from the lower limit of the intertidal zone (intertidal) to the shelf edge at about 200 m water depth. neritic. zones. They are commonly found around coral reefs, reef slopes, and seaward-facing reefs, where they prefer the protection and abundant food sources these habitats provide. Their depth range extends from 4.0 to 40.0 meters, demonstrating their adaptability to various depths within the marine ecosystem.
Taxonomy
The Pseudanthias evansi belongs to the Class: Teleostei, Order: Perciformes, and Family: Serranidae. This classification places it within a diverse group of fishes, with the Serranidae family including a wide variety of species with diverse ecological roles within their respective habitats.
Distribution and Occurrence
The Pseudanthias evansi is distributed throughout the Indo-Pacific region, ranging from the Red Sea and the East African coast to the Western Pacific Ocean, including Indonesia, the Philippines, and Australia. This species is a common sight in these regions, often forming large schools around coral reefs and rocky outcrops.
Feeding
The Pseudanthias evansi is primarily a zooplankton feeder, consuming a diverse diet of small invertebrates, including Brine Shrimp Nauplii, Brine Shrimps, Copepods, Daphnia salina, and Mysis. This species has also been observed feeding on Frozen food (small sorts), demonstrating its adaptability to various food sources. They are known to be opportunistic feeders, actively searching for prey within their preferred habitat.
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