The Samoan Cardinalfish, scientifically known as Nectamia savayensis, is a captivating species of fish belonging to the cardinalfish family. This vibrant and intriguing fish is a common sight in the coral reefs of the Pacific Ocean, adding a splash of color to the underwater landscape.
Description & Characteristics
Nectamia savayensis is characterized by its slender, elongated body, reaching a maximum size of 10.0 cm. The body is adorned with striking red and orange hues, with a distinctive white band running horizontally along its flanks. This coloration, along with its distinctive shape, makes it easily recognizable amidst the coral formations.
Habitat and Occurrence
The Samoan Cardinalfish is a resident of the tropical waters of the Pacific Ocean, inhabiting coral reefs and rocky environments. Its depth range spans from 3.0 to 25.0 meters, making it a common sight in both shallow and deeper reef systems. These fishes are often found in the Indo-Pacific region, particularly around the islands of Samoa, Fiji, and Tonga. Their preference for coral reefs and rocky habitats places them within the marine zones classified as the Neritic Zone and the Epipelagic Zone.
Taxonomy
The species Nectamia savayensis belongs to the Class: Teleostei, Order: Kurtiformes, and Family: Apogonidae. This classification places it among the ray-finned fishes, a diverse group known for their distinctive fins. The Apogonidae family, commonly known as cardinalfishes, is characterized by their elongated bodies, large eyes, and often vibrant coloration. The Samoan Cardinalfish is a prime example of the beauty and diversity found within this family.
Feeding
Nectamia savayensis is an opportunistic carnivore, feeding on a wide variety of small invertebrates and other fishes. Its diet includes amphipods, copepods, crustaceans, krill, mysis, ostracodes (seed shrimps), rock shrimps, and worms. It also feeds on fish eggs and larvae, demonstrating its adaptive nature in a diverse reef environment.
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