The Doubleband Surgeonfish, Lieutenant Surgeonfish, scientifically known as Acanthurus tennentii, is a vibrant and captivating species of fish found in the tropical waters of the Indo-Pacific region.
Description & Characteristics
Acanthurus tennentii is easily recognizable due to its distinctive coloration and markings. Its body is primarily a brilliant yellow, adorned with two broad, dark blue bands that extend horizontally across its flanks. The first band typically runs just behind the eyes, while the second band encircles the caudal peduncle. Adults can reach a maximum size of 31.0 cm. The fish’s dorsal fin features a prominent, spiky extension at the rear, a characteristic shared by other members of the Surgeonfish family. This spiky extension, known as a “scalpel,” serves as a defensive mechanism, providing a sharp, painful wound if threatened.
Habitat and Occurrence
The Doubleband Surgeonfish, Lieutenant Surgeonfish Acanthurus tennentii, thrives in a variety of marine environments, most commonly found in 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. This species is primarily associated with coastal waters, rocky shores, and rock coasts, often making its home in algae zones. It can be found at depths ranging from 1.0 to 40.0 meters.
Taxonomy
The species Acanthurus tennentii belongs to the Class: Teleostei, Order: Acanthuriformes, and Family: Acanthuridae. The Acanthuriformes, also known as Surgeonfishes, are characterized by their laterally compressed bodies and unique scalpel-like spines located near the base of their caudal fins. The Acanthuridae family encompasses a diverse group of fish, with many species displaying vibrant colors and patterns, which play a significant role in camouflage and communication.
Feeding
Acanthurus tennentii is primarily an herbivore, feeding on a variety of algae. Its diet includes a diverse range of algae, such as nori-algae, as well as other food items like brine shrimps, clam meat, dandelion, flakes, frozen food (large sort), krill, lettuce, mysis. This diverse dietary intake contributes to the fish’s overall health and vitality.
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