Weakfish

Weakfish
SEFSC Pascagoula Laboratory; Collection of Brandi Noble, NOAA/NMFS/SEFSC · Public domain · source
Name	Weakfish
Status	VU
Status system	IUCN3.1
Regnum	Animalia
Phylum	Chordata
Classis	Actinopterygii
Ordo	Perciformes
Familia	Sciaenidae
Genus	Cynoscion
Species	C. regalis
Binomial	Cynoscion regalis
Binomial authority	(Bloch & Schneider, 1801)

Weakfish Weakfish is a marine perciform found along the western Atlantic coast, valued by recreational anglers and studied by fisheries scientists. The species has experienced significant population fluctuations prompting management responses from regional, national, and international bodies. Research on its ecology links to broader studies of coastal ecosystems, climate variability, and human impacts.

Taxonomy and Etymology

Cynoscion regalis is classified within the family Sciaenidae and the order Perciformes, and its scientific description dates to the early 19th century by Marcus Elieser Bloch and Johann Gottlob Schneider. Taxonomic treatments by institutions such as the Smithsonian Institution, the American Museum of Natural History, and the Natural History Museum, London reference morphological and genetic work comparing it to congeners like Cynoscion nebulosus and Cynoscion arenarius. Nomenclatural history has been discussed in publications from the National Oceanic and Atmospheric Administration and the United States Geological Survey, with etymology tracing "Cynoscion" to classical roots used in ichthyology treatises by figures associated with the Linnean Society of London and the Royal Society. Historical fisheries records from the Colonial Williamsburg Foundation and the New York Historical Society reflect common names used in the 18th and 19th centuries, and regulatory frameworks by the Magnuson-Stevens Act era shaped modern naming conventions consulted by panels convened by the Marine Fisheries Service.

Description and Identification

Adults commonly reach lengths documented in surveys by the Atlantic States Marine Fisheries Commission and weigh as recorded in reports by the NOAA Fisheries Northeast Fisheries Science Center. Morphological identification relies on counts and measurements detailed in field guides from the Smithsonian Institution and monographs by ichthyologists at the Scripps Institution of Oceanography and the Woods Hole Oceanographic Institution. Diagnostic traits compared in keys alongside species treated in texts from the American Fisheries Society include body shape, lateral line scales, dentition, and fin ray counts. Coloration and spot patterns are described in region-specific guides maintained by the New Jersey Division of Fish and Wildlife and the Maryland Department of Natural Resources, and museum specimens are curated at the Field Museum and the Peabody Museum of Natural History.

Distribution and Habitat

The species' range along the western Atlantic is documented in atlases produced by the NOAA National Marine Fisheries Service and the Atlantic States Marine Fisheries Commission. Historical distributional shifts are analyzed in studies from the University of Rhode Island, the Rutgers University laboratory of coastal ecology, and the University of Delaware. Habitat associations with estuaries managed by agencies like the New York State Department of Environmental Conservation and the Massachusetts Division of Marine Fisheries intersect with research from the Chesapeake Bay Program and the Gulf of Maine Research Institute. Spatial modeling using data from the Ocean Biogeographic Information System and archives at the Bureau of Ocean Energy Management has examined responses to events studied by the Intergovernmental Panel on Climate Change and regional climate centers.

Behavior and Diet

Behavioral ecology has been addressed in papers authored by researchers at the Virginia Institute of Marine Science, the University of Connecticut Sea Grant, and the College of William & Mary. Foraging studies reference predator-prey dynamics involving species cataloged by the Atlantic Coastal Cooperative Statistics Program and diet analyses in journals associated with the Ecological Society of America and the American Academy of Sciences. Seasonal migrations and schooling behavior are discussed in reports funded by the NOAA Sea Grant program and field studies coordinated with the Maine Department of Marine Resources. Trophic interactions with invertebrates and small fishes feature in comparative research hosted by the Smithsonian Environmental Research Center and cited in syntheses by the National Research Council.

Reproduction and Life Cycle

Reproductive timing, spawning locations, and larval development are reported in technical memoranda from the Northeast Fisheries Science Center and theses from the University of Maryland Center for Environmental Science and the College of Charleston. Life history parameters used in stock assessments appear in assessments by the Atlantic States Marine Fisheries Commission and management plans developed by the Mid-Atlantic Fishery Management Council and the New England Fishery Management Council. Larval ecology studies connected to plankton surveys by the Monterey Bay Aquarium Research Institute and the Woods Hole Oceanographic Institution inform recruitment models referenced by panels convened at the International Council for the Exploration of the Sea.

Fisheries, Conservation, and Management

The species has been the focus of recreational fisheries monitored by state agencies including the New Jersey Division of Fish and Wildlife, the Delaware Department of Natural Resources and Environmental Control, and the Virginia Marine Resources Commission, as well as federal oversight by NOAA Fisheries under mandates influenced by the Magnuson-Stevens Act. Conservation assessments by the International Union for Conservation of Nature and regional stock assessments by the Atlantic States Marine Fisheries Commission and the NOAA Northeast Fisheries Science Center have informed measures such as size limits, bag limits, and seasonal closures recommended by the Marine Recreational Information Program. Collaborative recovery initiatives have involved stakeholders including the National Marine Fisheries Service, state commissions, and nongovernmental organizations like the Surfrider Foundation and the Ocean Conservancy. Economic analyses involving the National Marine Fisheries Service and the U.S. Fish and Wildlife Service evaluate recreational value, while climate-linked risk assessments cite work by the Intergovernmental Panel on Climate Change and adaptation planning led by coastal management programs at the Environmental Protection Agency and the National Oceanic and Atmospheric Administration.

Category:Sciaenidae