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How Old Can A Grouper Live

author
Ellen Grant
• Sunday, 13 December, 2020
• 7 min read

Reefs are considered healthier if you see one of us swimming around because we help maintain balance in the ecosystem. I use my large mouth to suck in whole fish or invertebrates, then swallow them right away.

grouper goliath facts diver sportdiver didn know
(Source: www.sportdiver.com)

Contents

Scientists estimate that historical overfishing decreased our numbers by about 80%, and it’s been a long road to recovery. After they’re fertilized, the eggs drift around in the currents until they finally hatch.

Black grouper at Flower Garden Banks National Marine Sanctuary. U.S. wild-caught black grouper is a smart seafood choice because it is sustainably managed and responsibly harvested under U.S. regulations.

Fishing gears used to harvest black grouper have minimal impacts on habitat. The groupers complex is not subject to overfishing based on 2019 catch data.

They also have teeth plates inside their throat that prevent prey from escaping after being swallowed. Black grouper take advantage of other species’ reproductive aggregations for feeding.

They are particularly associated with the southern Gulf of Mexico, Florida Keys, Cuba, the Bahamas, and throughout the Caribbean. Annual catch limits are used for black grouper in the commercial and recreational fisheries.

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(Source: kermadec.aucklandmuseum.com)

Both the commercial and recreational fisheries have size limits to reduce harvest of immature black grouper. The commercial and recreational fishing seasons are closed from January through April to protect black grouper during their peak spawning period.

Minimum size limits protect immature black grouper. Year-round and/or seasonal area closures for commercial and recreational sectors to protect spawning groupers.

Groupers are managed separately by commercial and recreational sector in Puerto Rico. Seasonal closure for black, red, tiger, yellow fin, and yellow edge groupers from February 1 through April 30.

In the process of buying a 240 with a beautiful Miniature Grouper in it, really wanted to know what the average life expectancy would be? Agreed 20 yrs is possible with proper diet (no freshwater feeders) groupers are great fish with a ton of personality, but the only downside to them is aggression, many times you are not able to keep many other fish with them, even if the grouper is not aggressive towards tank mates, it will be a very aggressive eater, and the others may have a hard time getting their share of the chow.

Yeah, he's an awesome fish, I'm picking up the whole tank tomorrow. He's sharing the tank with a small lion fish and a blue crayfish.

goliath grouper facts diver species sportdiver didn know
(Source: www.sportdiver.com)

There's a divider in the tank, and on the other side there's a few smaller fish, Harlequin tusk fish, a sand sifting Toby, a tomato clown and a couple of others. I think I'll house them all in my spare 55 gal tanks and give the cod (In Australia we call groupers Coral cod), lion and cray the 240 to themselves.

I would add the tusk to the 240 as well if he is large enough not to become grouper food. I have seen pics of them eating large (20"+) eels so watch out as anything is potential food to them.

Maybe I can try him in there again if he grows a bit.... We've made the move, everything's looking good, apart from the grouper not eating yet. There's pro's and cons either way, but the small fish would have more space in the 240, I'd have more rock in there, more active tank, spare 55 available for qt, cheaper power bill, etc.

Leave them tank undivided and get a nice big eel. Trouble is the grouper and lion have been in there 2 days now and probably already claimed their territory.

His color changes are awesome too, last night he was sitting against the bottom, and he was almost pure white. Seems to have slowed down a bit now, but I still don't hold out much hope of grouper and HT living peacefully together...

goliath grouper facts sportdiver
(Source: www.sportdiver.com)

The Atlantic Goliath grouper or Tamara (Epimetheus Tamara), also known as the Jewish, is a large saltwater fish of the grouper family found primarily in shallow tropical waters among coral and artificial reefs at depths from 5 to 50 m (16 to 164 ft). Its range includes the Florida Keys in the US, the Bahamas, most of the Caribbean and most of the Brazilian coast.

On some occasions, it is caught off the coasts of the US states of New England off Maine and Massachusetts. In the eastern Atlantic Ocean, it occurs from the Congo to Senegal.

Young Atlantic Goliath groupers may live in brackish estuaries, oyster beds, canals, and mangrove swamps, which is unusual behavior among groupers. They may reach extremely large sizes, growing to lengths up to 2.5 m (8.2 ft) and can weigh as much as 360 kg (790 lb).

The world record for a hook-and-line-captured specimen is 308.44 kg (680.0 lb), caught off Fernanda Beach, Florida, in 1961. Considered of fine food quality, Atlantic Goliath grouper were a highly sought-after quarry for fishermen.

It is a relatively easy prey for spear fishermen because of the grouper's inquisitive and generally fearless nature. They also tend to spawn in large aggregations, returning annually to the same locations.

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(Source: abcnews.go.com)

Until a harvest ban was placed on the species, its population was in rapid decline. The fish is recognized as “vulnerable” globally and “endangered” in the Gulf of Mexico.

The species' population has been recovering since the ban; with the fish's slow growth rate, however, some time will be needed for populations to return to their previous levels. Goliath groupers are believed to be protogynous hermaphrodites, which refer to organisms that are born female and at some point in their lifespans change sex to male.

Males can be sexually mature at about 115 centimeters (45 in), and ages 4–6 years. In May 2015, the Atlantic Goliath grouper was successfully bred in captivity for the first time.

Tidal pools act as nurseries for juvenile E. Tamara. In tidal pools juvenile E.Tamara are able to utilize rocky crevices for shelter.

Besides shelter, tidal pools provide E. Tamara with plenty of prey such as lobster and porcelain crab. The Atlantic Goliath grouper has historically been referred to as the “Jewish”.

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(Source: www.fox13memphis.com)

It may have referred to the fish's status as inferior leading it to be declared only suitable for Jews, or the flesh having a “clean” taste comparable to kosher food ; it has also been suggested that this name is simply a corruption of jaw fish or the Italian word for “bottom fish”, Giuseppe. In 2001, the American Fisheries Society stopped using the term because of complaints that it was culturally insensitive.

^ Lovato, Cleo nice Maria Cardozo; Soars, Bruno Clears; Begot, Tiago Octavio Buffalo; Montage, Luciano Coach de Assis (January 2016). “Tidal pools as habitat for juveniles of the Goliath grouper Epimetheus Tamara (Lichtenstein 1822) in the Amazonian coastal zone, Brazil”.

Risky, Delaney C.; Bakenhaster, Micah D.; Adams, Douglas H. (2015). “ Pseudorhabdosynochus species (Monogenoidea, Diplectanidae) parasitizing groupers (Serranidae, Epinephrine, Epinephrine) in the western Atlantic Ocean and adjacent waters, with descriptions of 13 new species”.

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Sources
1 www.floridagofishing.com - https://www.floridagofishing.com/species/species-seasonal-calendar.html
2 www.visitflorida.com - https://www.visitflorida.com/en-us/things-to-do/florida-fishing/fishing-calendar-best-months-to-fish.html
3 myfwc.com - https://myfwc.com/fishing/freshwater/fishing-tips/seasons/
4 offshorehustler.com - https://offshorehustler.com/fish-calendar.php