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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Collaborators Pictures Stamps, Coins Misc. Federal Register;; v79, September 2, Individuals are capable of altering their colour pattern to resemble that of the surrounding environment or as a means epinephelys communication 4.

In other words, Central and South America.

Human uses

Also, protection of the spawning sites at all times is in effect in certain places. Plankton Aquatic organisms that drift with water movements; may be either phytoplankton plantsor zooplankton animals.

Accessed September 17, at http: Fishing, however, has been limited in recent years do to their endangered status. The oldest recorded Nassau grouper caught in the wild was 29 years of age. Nassau groupers aggregate to specific spawning sites on the full moon during December and January.

Most males and females display a bicolored pattern during spawning. Nassau groupers have been heavily fished and were once considered the most economically important fish of the Bahamas The eggs are released by the female, followed stristus the release of sperm by all the following bicolored males as well as further release of eggs by some bicolored females. Nassau groupers, Epinephelus striatuscan be found in the coastal waters of the Atlantic Ocean as far north as the Carolinas of the United States down the Atlantic seaboard to southern Brazil.


Ecotourism implies that there are existing programs that profit from the appreciation of natural areas or animals. Distinctive Features The Nassau grouper is an oblong, large fish with large eyes and coarse, spiny fins.

New World Publications, Striagus.

Epinephelus striatus – Discover Fishes

Groupers are frequent visitors to wrasse cleaning stations. These color changes are not thought to be a camouflage or anti-predator adaptation. The polyps live only on the reef surface. Juveniles and smaller young adults prey on crustaceans striats bivalves, while older Nassau groupers mainly eat fish, lobsters, and gastropods.

However, the Nassau grouper’s spawning region is not included in this marine protected area MPA.

Nassau grouper videos, photos and facts – Epinephelus striatus | Arkive

Prey fish include parrotfishes, wrasses, damselfishes, squirrelfishes, snappers, and grunts. Another dark band travels from the snout through the eye, curving up to meet the same band from the other side, just before the dorsal fin origin. Food Habits As a carnivorous predator, the Nassau grouper has a diet that consists mainly of fish, shrimps, crabs, lobsters, and octopuses.

Some epknephelus males found recently Ref. Even with these regulations in place, populations are still declining. Nassau groupers can also be found in beds of sea grasses and epineohelus areas of high visibility.

They are favorite subjects of underwater photographers due to their zebra-like coloration. Life cycle and mating behavior Maturity Reproduction Spawning Eggs Fecundity Larvae Most males and females display a bicolored pattern during spawning. Juveniles are found closer to shore in seagrass beds that offer a suitable nursery habitat.

Furthermore, its historic spawning areas are easily targeted for fishing, which tends to remove the reproductively active members of the group. When threatened by predators, this fish can camouflage itself, blending in with the surrounding rocks and corals.


Usually close to caves Ref. Rodents of Unusual Size.

The Nassau grouper was historically an important commercially harvested fish throughout the region; indeed, it is the most important finfish in the Bahamas 6. They weigh between 2 and 27 kg average 12 kg. Nassau groupers are typically solitary and diurnal, however, they may occasionally form schools. Nassau Grouper Nassau Grouper. 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.

Nassau groupers are found in shallow waters up to 90 metres deep, associated with reef or rocky substrate 4. The Nassau grouper lives in the sea near reefs ; it is one of the largest fish to be found around coral reefs.

Nassau grouper

It is the second largest ocean in the world after the Pacific Ocean. The third or fourth spine of the dorsal fin is longer than the second spine. Humans are the primary predator of Nassau groupers, sstriatus greatly reduced populations of this species through commercial fishing.

Nassau grouper biology Adults are generally solitary, with the exception of spawning events when hundreds to thousands of individuals were known to group together. ADW doesn’t cover all species in the world, nor does it include all the latest scientific information about organisms we describe. During these spawning events, the reproductively mature fish are often caught.

The maximum age reported for this fish is 16 epinehelus. Articles with ‘species’ microformats. Fishing regulations for south Atlantic federal waters.