Antennarius scaber, commonly known as the Rough Anglerfish, is a distinctive species of anglerfish belonging to the family Antennariidae. This unique fish is characterized by its distinctive appearance and intriguing hunting strategies, making it a fascinating subject of study for marine biologists and enthusiasts alike.
Description & Characteristics
Antennarius scaber boasts a robust, somewhat compressed body shape, with a distinctive, elongated illicium (the “fishing rod”) extending from its snout. This illicium is tipped with a fleshy esca (the “bait”), which the fish uses to lure unsuspecting prey. The Rough Anglerfish can reach a maximum size of 19.5 cm in standard length, making it a relatively small species of anglerfish. Its body is adorned with numerous tubercles, contributing to its rough texture and providing camouflage against the rocky bottom.
Habitat and Occurrence
Antennarius scaber thrives in a variety of marine habitats, primarily inhabiting the tropical and subtropical waters of the Indo-Pacific region. This species is found in depths ranging from 10.0 to 219.0 meters, often residing on rocky reefs and coral formations. It is a common sight in the neritic zone, the area of the ocean extending from the shoreline to the edge of the continental shelf, and is also found in the bathyal zone, the deep-sea zone lying between 200 and 3,000 meters.
Taxonomy
Antennarius scaber belongs to the Class: Teleostei, Order: Lophiiformes, and Family: Antennariidae. This classification places it within the group of bony fishes (Teleostei), which comprises the vast majority of living fish species. The Order Lophiiformes, known as anglerfishes, is characterized by their unique adaptations for luring and catching prey using a specialized lure. The family Antennariidae, commonly referred to as frogfishes, includes a wide variety of colorful and bizarre-looking anglerfishes.
Feeding
Antennarius scaber is a skilled predator, employing a stealthy hunting strategy. It typically sits motionless, blending into its surroundings with its rough, camouflaged skin. When prey ventures within striking distance, Antennarius scaber suddenly springs forward, using its large mouth to engulf its unsuspecting victim. This ambush technique allows Antennarius scaber to feed on a variety of small fish, crustaceans, and invertebrates.
Image References