The Nassau grouper (Epinephelus striatus) is one of the large number of perciform fishes in the family Serranidae commonly referred to as groupers. It is the. Overall body color of Epinephelus striatus varies from tawny to pinkish red, with five dark vertical bars. The third and fourth bars branch above. Epinephelus striatus. These large, oblong fish can change both color and gender , and live at the rocky reef bottom of tropical Western Atlantic.
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Some females remain in the barred color pattern and become very dark as mating approaches. Juveniles are common in seagrass beds. Nassau groupers are most commonly found in shallow water reefs, both natural and artificial.
Dark coloration is though to be characteristic of males, while bicoloring and dark coloring typically correspond to submissive behaviors. Wildscreen With – Tom Hooker: Nassau grouper spawning aggregation.
Nassau groupers have been heavily fished and were once considered the most economically important fish of the Bahamas Find out more For more on the Nassau grouper: Atlantic Ocean the body of water between Africa, Europe, the southern ocean above 60 degrees south latitudeand the western hemisphere.
Superimposed on this base color are a number of lighter stripes, darker spots, bars, and patterns, including black spots below and behind the eye, and a forked stripe on the top of the head. Except while spawning, Nassau groupers are a solitary predators that prefer to stay close to reefs, wrecks or other protective cover. Nassau groupers also form a symbiotic relationship with some gobies and shrimpwhich remove parasitic copepods from their bodies, fins, mouth, and gill chambers.
This is some variation among individuals, as some fish may have irregular pale spots on the head and body. Nassau groupers aggregate to specific spawning sites on the full moon during December and January.
They grow up to 4 feet long and eat mostly crustaceans and other smaller fish by opening their mouths and inhaling them. It has been identified as one of only two viable sites remaining for the species, of 9 originally known locations. Sign our Guest Book. This species has a unique method of engulfing its prey, quickly moving its gills to create suction, or negative pressure, that draws prey into its open mouth. High vulnerability 63 of Spawning peaks 3 to 5 days after the full moon, but can continue up to 8 days after.
Discover Fishes Epinephelus striatus. The Nassau grouper lives in the sea near reefs ; it is one of the largest fish to be found eoinephelus coral reefs. Views Read Edit View history. An interesting note, as a friendly, unwary fish, if offered food by divers it will repeatedly return searching for more food handouts.
Caudal fin rounded in juveniles. Geographical Distribution World distribution map for the Nassau grouper The Nassau grouper is found throughout the tropical western Atlantic Ocean, including Bermuda, Florida, Bahamas, and throughout the Caribbean Sea, south to Brazil. Variola albimarginata Variola louti.
Epinephelus striatus, Nassau grouper : fisheries, gamefish, aquarium
A tuning fork-shaped mark is located on the forehead. The larvae are characterized by kite-shaped bodies and elongated second dorsal spines. Nassau grouper threats The Nassau grouper was epinelhelus an important commercially harvested fish throughout the region; indeed, it is the most important finfish in the Bahamas 6.
However, its numbers have been sharply reduced by overfishing in recent years, and it is a slow breeder. New World Publications, Inc.
During these spawning events, the reproductively epinpehelus fish are often caught. This page was last edited on 26 Decemberat Nassau groupers also act as hosts to a number of parasites, including copepodsnematodes in the gonads, several trematodes Lecithochirum parvum and Lecithochirum microstomum in the gut, and larval tapeworms that infest the viscera. Size, Age, and Growth Growing to a maximum of 4 feet 1.
Fishing regulations for south Atlantic federal waters. Nassau Grouper Nassau Grouper.
Plectropomus areolatus Plectropomus laevis Plectropomus leopardus Plectropomus maculatus Plectropomus oligacanthus Plectropomus pessuliferus Plectropomus punctatus. Nassau groupers primarily communicate by altering their skin colors and patterns, especially when ready to spawn.