Bludger – Carangoides gymnostethus

Carangoides gymnostethus is a species of fish belonging to the jack family, Carangidae. It is a relatively large fish, with individuals reaching a maximum size of 90.0 cm. This species is commonly found in tropical and subtropical waters, making it a familiar sight in many marine ecosystems.

Description and Characteristics

Carangoides gymnostethus exhibits a distinctive appearance, characterized by a laterally compressed body and a deeply forked caudal fin. The dorsal fin consists of two parts: a spiny anterior portion and a soft posterior portion. The anal fin is also divided into two parts, with a single spine followed by soft rays. The color of the body is typically silver or silvery-grey, with darker shades on the back and a lighter underside.

Habitat and Occurrence

Carangoides gymnostethus is a common inhabitant of coastal waters, typically found at depths ranging from 12.0 to 100.0 meters. This species is often associated with coral reefs, rocky outcrops, and seagrass beds, making it a prevalent presence in these aquatic ecosystems. It is found in tropical and subtropical regions of the Indian Ocean, the western Pacific Ocean, and the eastern Atlantic Ocean. Carangoides gymnostethus is considered a neritic species, meaning it primarily inhabits the waters above the continental shelf.

Taxonomy

The species Carangoides gymnostethus belongs to the Class: Teleostei, Order: Carangiformes, and Family: Carangidae. This classification places it within the diverse group of bony fishes known as teleosts, specifically within the order Carangiformes, which includes a variety of commercially important fish species. The family Carangidae is further characterized by its members’ compressed bodies, forked tails, and often, a prominent scutes on their lateral lines.

Feeding

Carangoides gymnostethus is a carnivorous fish, primarily feeding on smaller fish, crustaceans, and cephalopods. This species is known for its active hunting behavior, utilizing its speed and agility to pursue prey. Its diet is crucial in maintaining the ecological balance of its marine habitat, contributing to the regulation of populations of smaller organisms.