Atlantic Croaker facts and nutrition

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Atlantic Croaker Quick Facts
Name: Atlantic Croaker
Scientific Name: Micropogonias undulatus
Origin Native to coastal waters in the western Atlantic Ocean
Colors Silvery-pink
Flesh colors Firm, pink
Taste Sweet
Calories 192 Kcal./cup
Major nutrients Vitamin B-12 (Cobalamine) (76.25%)
Selenium (61.45%)
Isoleucine (44.08%)
Tryptophan (41.14%)
Lysine (40.88%)
Generally fish Atlantic croaker is rich in mild waters of Atlantic Ocean from Massachusetts to Argentina. It is an important group of fish incorporating parts of Texas croaker, yellowtail and well known, the brilliant. Atlantic croaker has some territorial names such as brocading, hardhead, spot balance, ruler Billie and malcontents. It has got its name from the ability to make low croaking clamor by getting muscles around its air bladder. Still unclear that the croaking is a form of communication within school of fish or a means of depth sounding or mating expression but considered that it make sound often during breeding season.

Amerikaanse zeeraaf, Atlantic croacker, Atlantic croaker, Corvina, Croaker, Crocus, Hardhead, Roncadina, King Billies, Hard Heads, Grumblers and Silver weakfish are the popular names from which Atlantic Croaker is known by. Scientifically known as Micropogonias undulates, is a marine ray-finned fish species which belongs to Sciaendia family and is closely associated to black drum (Pogonias cromis), the spot croaker (Leiostomus xanthurus), the red drum (Sciaenops ocellatus), the silver perch (Bairdiella chrysoura), the weakfish (Cynoscion regalis) and the spotted seatrout (Cynoscion nebulosus). Atlantic croaker is found commonly in sounds & estuaries from Massachusetts to Gulf of Mexico. Believed to be also live on coasts of Southern Brazil and Argentina.

Description

Atlantic croaker is the loudest in the drum family. Also referred as a hardhead as it has smaller ones called pin heads. From August to October during spawning season, turns deep golden color. In the beginning of the August, tiny young comes to the Chesapeake Bay and travel to low salinity or freshwater creeks. It moves to deeper parts of tidal rivers for winter. With the adults, juveniles leave the Bay following autumn. When grown fully upto 2 or 3 years, it reaches between 1 to ½ feet long and 4 to 5 pounds. On average, they are ½ to 2 pounds. It could tolerate wide range of environments and also adapt well to captivity.

Appearance

It has a silvery body with a pinkish glow and silvery or brassy white belly. On its back, it has brassy brown spots form faint and irregular stripes. It measures about 18 to 20 inches long but could be upto 24 inches. It has 3 to 5 pairs of small barbels on its chin. The tail fin is slightly pointed and has deep notch in dorsal fin.

Reproduction and Life cycle

They reach sexual maturity about one year old along Gulf Coast. Spawning season is in fall with a peak between August and October. In the spawning season, females releases from 1,00,000 and 2 million eggs, each about 0.35 mm in diameter.

The larvae drift towards land after hatching. On soft bottoms such as mud, they are abundant having large amount of detritus to feed on. They could live upto eight years. Striped bass, spotted seatrout, shark, humans and other croakers are their predators. Due to predation, more than 95% of the population of Atlantic croaker dies every year.

Feeding Behaviour

Atlantic Croaker prey upon mollusks, bristle worms, small fish and crustaceans. The larvae consume pteropods, tintinnids, ostracods, pelecypods, naupliar, egg, copepodid and adult stages of copepods.

Predators

Weakfish, bluefish and striped bass prey on Atlantic croaker.

How to Eat         

  • It could be fried, baked, broiled and microwaved.
  • Skinned fillets for pan frying and also poaching.
  • Atlantic croaker could be breaded and dusted with flour or cornmeal and also pan-fried.
  • It could be marinated, sautéed or grilled, broiled and roasted.
  • Meat could be steamed whole.

Other Facts        

  • Usually Atlantic croakers are known as hardheads and small croakers are known to be pin heads.
  • It is well known as recreational anglers.
  • Croakers belong to the drum family that includes weakfish, sport, black drum, red drum and spotted seatrout.
  • All drums make croaking or loud drumming by vibrating its swim bladders with the use of special muscles.
  • In August 2007, Chesapeake Bay recorded Atlantic croaker which weighed 8 pounds, 11 ounces and measured 27 inches long.

References:

https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=169283#null

https://www.seafoodsource.com/seafood-handbook/finfish/croaker

https://tpwd.texas.gov/huntwild/wild/species/croaker/

https://www.chesapeakebay.net/S=0/fieldguide/critter/atlantic_croaker

http://www.inlandseafood.com/seapedia/atlantic-croaker

http://www.asmfc.org/species/atlantic-croaker

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