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<p><b>New page</b></p><div>[[file:Caranx_crysos.jpg|thumb|left]] [[file:Blue_runner_under_platform.jpg|thumb|left]] [[file:Blue_runner_school.jpg|thumb|right]] '''Blue runner'''<br />
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The '''blue runner''' (''Caranx crysos'') is a species of [[marine fish]] in the [[jack]] family, [[Carangidae]]. It is commonly found in the [[Atlantic Ocean]], ranging from [[Nova Scotia]] in the north to [[Brazil]] in the south, including the [[Gulf of Mexico]] and the [[Caribbean Sea]]. The blue runner is known for its distinctive blue-green coloration and its importance both as a [[commercial fish]] and a [[game fish]].<br />
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==Description==<br />
The blue runner has a streamlined, elongated body typical of the [[Carangidae]] family. It can grow up to 70 cm in length and weigh up to 5 kg. The body is blue-green on the back, fading to silver on the sides and belly. The fish has a deeply forked tail and a series of scutes along the lateral line. The dorsal fin is divided into two parts: the first part has eight spines, and the second part has one spine followed by 19-21 soft rays. The anal fin has two detached spines followed by one spine and 15-17 soft rays.<br />
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==Habitat==<br />
Blue runners inhabit a variety of marine environments, including [[coastal waters]], [[reefs]], and [[offshore]] areas. They are often found near the surface but can also be found at depths of up to 100 meters. Juveniles are commonly found in [[estuaries]] and [[mangroves]], where they find shelter and abundant food sources.<br />
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==Diet==<br />
The blue runner is an opportunistic feeder, preying on a wide range of organisms. Its diet includes small [[fish]], [[crustaceans]], and [[cephalopods]]. They are known to form schools, which can help them in hunting and avoiding predators.<br />
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==Reproduction==<br />
Blue runners reach sexual maturity at around 2-3 years of age. Spawning occurs in the warmer months, typically from May to August. Females release eggs into the water column, where they are fertilized by males. The eggs hatch into larvae, which are planktonic and drift with the currents until they develop into juvenile fish.<br />
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==Fishing and Economic Importance==<br />
Blue runners are targeted by both commercial and recreational fishers. They are caught using various methods, including [[trawling]], [[seining]], and [[angling]]. The fish is valued for its firm, white flesh, which is used in a variety of culinary dishes. In some regions, blue runners are also used as bait for larger game fish.<br />
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==Conservation==<br />
Currently, there are no major conservation concerns for the blue runner. However, like many marine species, they are susceptible to overfishing and habitat degradation. Sustainable fishing practices and habitat protection are essential to ensure the long-term health of blue runner populations.<br />
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==See also==<br />
* [[Carangidae]]<br />
* [[Game fish]]<br />
* [[Commercial fish]]<br />
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==References==<br />
{{Reflist}}<br />
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==External links==<br />
{{Commons category|Caranx crysos}}<br />
{{Wikispecies|Caranx crysos}}<br />
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[[Category:Carangidae]]<br />
[[Category:Fish of the Atlantic Ocean]]<br />
[[Category:Commercial fish]]<br />
[[Category:Game fish]]<br />
[[Category:Marine fish]]<br />
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{{Carangidae-stub}}</div>Prab