Pempheris bexillon is a species of fish belonging to the family Pempheridae, commonly known as sweepers. These fish are found in tropical and subtropical waters, showcasing a vibrant presence in the diverse ecosystems of the Indo-Pacific region.
Description & Characteristics
Pempheris bexillon is a relatively small fish, reaching a maximum size of 13.7 cm. They possess a distinctive, laterally compressed body shape, with a prominent dorsal fin that extends nearly the entire length of their back. This distinctive fin structure, coupled with their overall slender form, contributes to their agile swimming capabilities and ability to navigate intricate reef environments.
Habitat and Occurrence
Pempheris bexillon thrives in a variety of marine habitats, demonstrating a preference for coral reefs, rocky reefs, and coastal waters. Their distribution spans a wide geographical range, encompassing the Indo-Pacific region, including the Red Sea, the Indian Ocean, and the western Pacific Ocean. Their adaptability and ability to inhabit both shallow and deeper waters contribute to their widespread presence in these diverse marine zones.
Taxonomy
Pempheris bexillon belongs to the Class: Teleostei, Order: Acropomatiformes, and Family: Pempheridae. The class Teleostei encompasses a vast group of bony fishes, representing the majority of fish species found worldwide. The order Acropomatiformes is a relatively small order of fish characterized by their elongated bodies and often, specialized feeding adaptations. The family Pempheridae, to which Pempheris bexillon belongs, comprises approximately 20 species, all exhibiting a similar compressed body shape and distinctive dorsal fin structure.
Feeding
Pempheris bexillon are primarily nocturnal feeders, emerging from their hiding places at night to hunt for small invertebrates. Their diet consists mainly of zooplankton, crustaceans, and other small organisms. They are adept at foraging among coral branches and crevices, using their streamlined bodies and agility to maneuver through intricate reef environments.
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