The Blacklined Filefish, White-line Filefish, scientifically known as Pervagor nigrolineatus, is a captivating marine fish species. Characterized by its distinct markings and intriguing behavior, the Pervagor nigrolineatus is a fascinating subject of study for marine biologists and enthusiasts alike. This description will delve into the characteristics, habitat, and ecological role of this intriguing fish.
Description and Characteristics
The Pervagor nigrolineatus boasts a slender, elongated body, typically reaching a maximum size of 10.0 cm. Its most striking feature is its distinctive black-lined pattern, giving rise to its common name. These lines run horizontally along the body, adding to its visual appeal.
Habitat and Occurrence
The Pervagor nigrolineatus is a resident of coral reefs, lagoons, muddy grounds, and seaward-facing reefs. It prefers depths ranging from 8.0 to 25.0 meters, making it a common sight in the subtidal, sublittoral, infralittoral, and deep zones of the ocean, which are classified as neritic zones. This depth range positions the Pervagor nigrolineatus within the lower limit of the intertidal zone to the shelf edge, where it thrives in the rich marine ecosystems.
Taxonomy
The Blacklined Filefish, White-line Filefish belongs to the Class: Teleostei, which encompasses a vast diversity of bony fishes. It is further classified within the Order: Tetraodontiformes, a group known for its unique and often bizarre body forms. Lastly, it is a member of the Family: Monacanthidae, commonly known as the filefishes, distinguished by their single, spiny dorsal fin.
Feeding
The Pervagor nigrolineatus is a carnivore, primarily feeding on coral polyps, making it a corallivorous species. Its diet also includes invertebrates, demonstrating its adaptability to various food sources within its marine habitat.
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