The Indian Mackerel, Longjaw Mackerel, scientifically known as Rastrelliger kanagurta, is a species of fish belonging to the mackerel family (Scombridae). This fish is commonly found in the Indo-Pacific region, playing a significant role in the marine ecosystem.
Description & Characteristics
Rastrelliger kanagurta is characterized by its elongated, fusiform body, typical of mackerel species. It can attain a maximum size of 36.0 cm. This species is distinguished by its long lower jaw, which extends beyond the upper jaw, hence its common name “Longjaw Mackerel”.
Habitat and Occurrence
Rastrelliger kanagurta is an inhabitant of marine waters, predominantly found in the Indo-Pacific region. This species prefers coastal waters, typically inhabiting depths ranging from 20.0 to 90.0 meters. Its presence extends from the Red Sea and the eastern coast of Africa to the western Pacific, including the Bay of Bengal and the South China Sea. This widespread distribution reflects its adaptability to various marine environments.
Taxonomy
Rastrelliger kanagurta belongs to the Class: Teleostei, Order: Scombriformes, and Family: Scombridae. These classifications underscore its lineage within the bony fishes and specifically within the mackerel-like fishes.
Feeding
Rastrelliger kanagurta is a carnivorous species, feeding on a diverse range of organisms. Its diet includes crustaceans, Daphnia salina, detritus, small fishes, fish eggs, fish larvae, invertebrates, ostracodes (seed shrimps), phytoplankton, worms, and zooplankton. This versatile diet contributes to its ecological role as a key predator in its habitat.
Image References