Xanthichthys Ringens
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''Xanthichthys ringens'', the Sargassum triggerfish, is a species of
triggerfish Triggerfish are about 40 species of often brightly colored fish of the family Balistidae. Often marked by lines and spots, they inhabit tropical and subtropical oceans throughout the world, with the greatest species richness in the Indo-Pacifi ...
from the Western
Atlantic The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe an ...
, ranging from
North Carolina North Carolina () is a state in the Southeastern region of the United States. The state is the 28th largest and 9th-most populous of the United States. It is bordered by Virginia to the north, the Atlantic Ocean to the east, Georgia and So ...
(USA) to Brazil.


Description

Also known as the Redtail triggerfish, Xanthichthys ringens is often found in the Western Atlantic, ranging from South Carolina, through Gulf of Mexico to Lesser Antilles and Brazil. It lives in Tropical marine reefs at depths of 25 to 80 meters (82 to 262.5 ft). It generally reaching a size of 25cm (9.8 in). Xanthichthys ringens has three dorsal spines, 26-29 dorsal soft rays, and 23–27 anal soft rays. Its coloration includes three silvery-blue prominent diagonal grooves from below and behind mouth running nearly to gill opening, appearing as light brownish gray to a light blue with rows of dark spots on body. The caudal (tail) fin is pale with orange-red margins and a large orange-red crescent at the end of the tail. Xanthichthys ringens inhabits seaward reef slopes, usually well below 30 m, where in some places they are among the most common fish, solitary or in small groups. Spawns in deep water young live among floating ''Sargassum'', hence the name of ''Sargassum triggerfish.'' The fish feeds on crabs, shrimp, sea urchins and zooplankton. Like other members of triggerfish, the sargassum triggerfish occasionally makes its way into the aquarium trade.


Gallery

File:Sargassum Triggerfish (Xanthichthys ringens).jpg File:Sargassum triggerfish Xanthichthys ringens.jpg File:Xanthichthys ringens Sargassam Trigger.jpg


References

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External links

* Balistidae Fish of the Atlantic Ocean Fish described in 1758 Taxa named by Carl Linnaeus {{triggerfish-stub