The Fivefinger Razorfish, Fivefinger Wrasse, Red-spot Razor Wrasse, scientifically known as Iniistius pentadactylus, is a captivating marine fish species that showcases vibrant colors and a distinctive, elongated body.
Description & Characteristics
This species stands out for its striking appearance. The body of the Iniistius pentadactylus is elongated and compressed laterally, reaching a maximum size of 25.0 cm. Its scales are small and smooth, giving its skin a velvety texture. The most noticeable feature is its bright red coloration, accented with a distinctive black spot on its dorsal fin. The overall effect is one of vibrant beauty and visual intrigue.
Habitat and Occurrence
The Iniistius pentadactylus is commonly found in the tropical waters of the Indo-Pacific region. Its depth range typically falls between 2.0 and 30.0 meters, placing it within the mesophotic zone, a marine environment that receives less light than shallower areas. This fish favors rocky reefs and coral-rich habitats, demonstrating a preference for intricate underwater landscapes. The species often occurs in groups, creating a dynamic visual spectacle on the seafloor.
Taxonomy
The Iniistius pentadactylus is a member of the Labridae family, commonly known as the wrasse family. It belongs to the Class Teleostei, the largest order of ray-finned fishes. Within the class, it falls under the Eupercaria incertae sedis order. The species classification within the family is further defined by its genus, Iniistius, a group of distinctive wrasses known for their elongated bodies and razor-like teeth.
Feeding
The Iniistius pentadactylus is a carnivorous fish, exhibiting a diverse diet. Its primary food sources include: amphipods, copepods, crustaceans, daphnia salina, frozen food (both large and small), invertebrates, krill, live food, mysis, rock shrimps, and various types of shrimp. This wide-ranging diet reflects its adaptability to a variety of food sources within its chosen habitat. This versatile feeding strategy is essential for its survival in the competitive world of the coral reef ecosystem.
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