King mackerel

King Mackerel

Commercial capture of king mackerel in tonnes from 1950 to 2009

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King mackerel (Scomberomorus cavalla) is a significant migratory fish species found primarily in the western Atlantic Ocean and the Gulf of Mexico. Esteemed for its economic and recreational value, the king mackerel has long been a sought-after catch for both commercial and recreational fishermen.

Description

The king mackerel, a medium-sized species, has an average weight range from 5 kg (11 lb) to 14 kg (30 lb). However, some individuals have been recorded to weigh as much as 40 kg (90 lb). Its entire physique is adorned with tiny, almost imperceptible scales that are loosely attached. A distinguishing feature of the king mackerel is its first dorsal fin which, being devoid of color, typically remains folded back into a body groove. Similarly, its pelvic fins also fold into a groove. The lateral line, starting high on its shoulder, takes a sudden dip at mid-body and continues wavy and horizontal towards the tail.

In terms of coloration, the king mackerel has an olive-hued back which seamlessly transitions to a rosy-iridescent silver on the sides and finally fades to a white underbelly. Notably, individuals weighing under 5 kg (10 lb) exhibit yellowish-brown spots on their flanks, slightly smaller than those on the Atlantic Spanish mackerel (Scomberomorus maculatus). The teeth of the king mackerel are one of its most distinctive features: large, uniformly spaced, flattened side-to-side, and closely resembling the teeth of the bluefish (Pomatomus saltatrix).

Habitat and Migration

King mackerels predominantly thrive in the western Atlantic Ocean and the Gulf of Mexico. As a migratory species, they often travel vast distances in search of food and for breeding purposes.

Importance to Fishing Industries

Both the commercial and recreational fishing sectors hold the king mackerel in high regard. Its migratory patterns, size, and the challenge it presents make it a favorite target for sport fishermen. Commercially, the king mackerel is sought after for its taste and nutritional value.

Diet and Predators

King mackerels are carnivorous, primarily feeding on smaller fish and squid. Due to their size, adult king mackerels have fewer natural predators, but they can fall prey to larger fish and sharks.

Conservation

Given its importance to various fishing industries, monitoring and managing the king mackerel population is essential. Certain regulations, such as size limits and bag limits, have been implemented in various regions to ensure the species' sustainability.

See Also

• Mackerel fishing
• Western Atlantic Fish Species
• Recreational Fishing in the Gulf of Mexico