Atlantic croaker
Noisy marine fish of the western Atlantic coast
The Atlantic croaker is a marine ray-finned fish in the drum family, found from Massachusetts to Mexico. It is known for its loud croaking sound and serves as food for humans and wildlife.
- Loudest member of the drum fish family
- Turns golden during August to October spawning
- Found in western Atlantic from Massachusetts to Mexico
- Used as food by Native Americans historically
- Source of ZIP9 protein discovery in 1999
What it is
This marine ray-finned fish belongs to the Sciaenidae family, often called drums. It gets its name from the loud noise it produces by vibrating muscles against its swim bladder. Adults typically measure 18 to 20 inches and weigh between half a pound and two pounds. During spawning season, they develop a deep golden hue. The largest recorded specimen weighed over eight pounds. Smaller individuals are sometimes called pin heads, while others refer to them as hardheads.
Where it lives
Native to western Atlantic coastal waters, its range stretches from Massachusetts down to Mexico. It inhabits the northern Caribbean but may avoid the southern Gulf and Antilles. Populations also exist off southern Brazil and Argentina. These fish prefer bays and estuaries with sandy or muddy floors. In the Chesapeake Bay, they arrive in March and stay until October, moving as far north as the Susquehanna Flats.
How it lives
They feed on polychaete worms, crustaceans, and small fish. Young croakers enter the Chesapeake Bay in August, seeking low-salinity creeks. As winter approaches, they move to deeper tidal river sections. Juveniles leave the bay with adults the following autumn. Their numbers fluctuate yearly based on habitat conditions. This variability makes population management difficult for fisheries officials.
Breeding and life cycle
Spawning occurs between August and October. During this period, the fish change colour to a distinct gold. Tiny young enter estuarine systems shortly after. They grow rapidly in the protected low-salinity waters before moving to deeper areas. Full maturity is reached at two to three years of age. The lifespan can extend up to eight years in the wild.
Fish and people
Native Americans traditionally consumed this fish, leaving remains in shell middens. Today, it remains a popular target for recreational anglers. The species is valued for its abundance and accessibility in coastal waters. Its loud vocalisations make it distinctive to those who fish for it. It is not primarily a commercial staple but holds cultural and recreational significance.
Status and threats
The International Union for Conservation of Nature lists it as Least Concern. This status reflects its wide geographic range and large overall population. However, local numbers vary significantly depending on environmental conditions. Habitat quality directly influences annual population sizes. No specific protection measures are highlighted beyond general management challenges due to these fluctuations.
Questions people ask about Atlantic croaker
Why is it called a croaker?
The name describes the loud noise the fish makes. It vibrates strong muscles against its swim bladder, which acts as a resonating chamber. This trait makes it the loudest member of its family.
Where do Atlantic croakers live?
They inhabit coastal waters, bays, and estuaries along the western Atlantic. Their range extends from Massachusetts to Mexico. They prefer sandy or muddy bottoms in these shallow environments.
What do Atlantic croakers eat?
Their diet consists mainly of polychaete worms, crustaceans, and small fish. They forage for these prey items on the sandy or muddy bottoms of their estuarine habitats.
How big do they get?
Most adults reach 18 to 20 inches in length and weigh between half a pound and two pounds. The record catch weighed over eight pounds and measured 27 inches long.
Good reading and sources
- Atlantic croaker on WikipediaEncyclopedia
- More photos on Wikimedia CommonsPhotos
- Wikidata recordOpen data
The facts on this page come from the Wikipedia article "Atlantic croaker", written by its contributors and used under the CC BY-SA 4.0 licence, and from its Wikidata record (CC0). EveryFish rewrote the text in its own words, with AI assistance, and compares every page with the article to make sure no passage is copied. It may be reused under the same CC BY-SA 4.0 licence with a link back.
It may contain mistakes, and figures change over time. Nothing here is investment or buying advice. If something is wrong, tell us. Last refreshed 2026-11-15.
Like Atlantic croaker
All other fish
🇺🇸 United States and 2 moreGar
Ancient armored fish with lung-like swim bladders found in North American waters.Ancient · Rivers and lakes · 1758
WorldNile perch
Large freshwater predator native to Africa, now invasive in many lakes.Other · Rivers and lakes
🇦🇷 Argentina and 4 moreArgentinian silverside
A large, adaptable silverside native to South America.Other · Rivers and lakes
🇹🇷 Turkey and 4 moreAnchovy
Small, oily forage fish found in oceans and some rivers worldwide.Herring · Coasts and shelves
