The Double-lined Mackerel, Doublelined Mackerel, Scad Mackerel, Shark Mackerel, scientifically known as Grammatorcynus bilineatus, is a fascinating species of fish that thrives in various marine environments.
Description & Characteristics
This fish can reach a maximum size of 100.0 cm, showcasing its impressive stature. The Grammatorcynus bilineatus is distinguished by its elongated body and streamlined form, a testament to its swift and agile swimming capabilities.
Habitat and Occurrence
The Grammatorcynus bilineatus exhibits a preference for diverse habitats, including coral reefs, open ocean, and rocky reefs. It is commonly found in the subtidal, sublittoral, infralittoral, and deep zone of the oceans, inhabiting waters from the lower limit of the intertidal zone to the shelf edge at approximately 200 m water depth. This widespread distribution makes it a prevalent presence in neritic marine zones.
Taxonomy
The Grammatorcynus bilineatus belongs to the Class: Teleostei, Order: Scombriformes, and Family: Scombridae. This classification highlights its close relationship with other important fish families, including the tuna and mackerel.
Feeding
Grammatorcynus bilineatus is a carnivore, feeding primarily on crustaceans and fish, particularly small fishes like sardines. Its predatory nature underscores its role as an important link in the marine food chain.
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