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Massachusetts Division of Marine Species Profile

The Striped Bass

massachusetts  striper logo

Morone saxatilis

Back to Massachusetts Stripers

The striped bass, or "striper," one of the most avidly pursued of all coastal sport fish, is native to most of the East Coast, ranging from the lower St. Lawrence River in Canada to Northern Florida, and along portions of the Gulf of Mexico. The striped bass has been prized in Massachusetts since colonial times. In 1670, Plymouth Colony established a free school with income from coastal striped bass fisheries. Thus, one of the first public schools in America was supported by this highly valued resource. The unique angling qualities of this trophy species and its adaptability to fresh water environments have led to a major North American range expansion within the last 100 years. A valuable fishery has been created on the West Coast and inland fisheries have been developed in 31 states by stocking the striped bass into lakes and reservoirs.

Several characteristics distinguished the striper from other fish found in coastal Massachusetts waters. The striped bass has a large mouth, with jaws extending backward to below the eye. It has two prominent spines on the gill covers. The first (most anterior) of its two well-developed and separated dorsal fins possesses a series of sharp, stiffened spines. The anal fin, with its three sharp spines, is about as long as the posterior dorsal fin. The striper's upper body is blueish to dark olive, and its sides and belly are silvery. Seven or eight narrow stripes extending lengthwise from the back of the head to the base of the tail form the most easily recognized characteristic of this species.

Striped bass can live up to 40 years and can reach weights greater than 100 pounds, although individuals larger than 50 pounds are rare. The all-tackle angling record fish, taken in New Jersey in 1972, weighed 78 ½ pounds and measured 72 inches long. The Massachusetts record of 73 pounds has been equaled on three occasions, the most recent of which was at Nauset Beach in 1981. The following table lists average lengths and weights of striped bass at selected ages; the fish were collected in the Chesapeake Bay and Albermarle Sound (North Carolina) regions.

Female striped bass age at maturity

Females reach significantly greater sizes than do males; most stripers over 30 pounds are female. Thus, the term "bulls," originally coined to describe extremely large individuals, has been more accurately changed to "cows" in recent times.

The number of eggs produced by a female striped bass is directly related to the size of its body; a 12-pound female may produce about 850,000 eggs, and a 55-pound female about 4,200,000 eggs. Although males reach sexual maturity at two or three years of age, no females mature before the age of four, and some not until the age of six. The size of the females at sexual maturity has been used as a criterion for establishing minimum legal size limit regulations in recent years.

Striped bass are rarely found more than several miles from the shoreline. Anglers usually catch stripers in river mouths, in small, shallow bays and estuaries, and along rocky shorelines and sandy beaches. The striped bass is a schooling species, moving about in small groups during the first two years of life, and thereafter feeding and migrating in large schools. Only females exceeding 30 pounds show any tendency to be solitary.

Schools of striped bass less than three years of age (sometimes called "schoolies" by anglers) occasionally travel from upstream into rivers such as the Hudson, Connecticut and Merrimac. Although adult striped bass move into rivers to reproduce, fish less than three years old probably make such journeys to take advantage of a river's abundant food resources.

Striped Bass migration routes from the principal spawning grounds of the Chesapeake Bay, Delaware River, and Hudson River

Striped bass normally do not migrate during the first two years of life. However, adult stripers generally migrate northward in the spring and summer months and return south in the fall. Individuals that hatch in the Hudson River generally do not migrate beyond Cape Cod to the North and Cape May to the south. Fish hatched in the Chesapeake Bay exhibit more extensive Migrations, some being captured as far north as the Bay of Fundy in coastal Canada.

striped bass migration

Stripers are strictly spring to fall transients in Massachusetts. Only a few fish inhabiting coastal Massachusetts waters in the summer have been known to overwinter in the mouths of southern New England streams. Some stripers frequenting coastal Massachusetts in the summer will overwinter in the mouth of the Hudson River, while many spend winter along the New Jersey coast in the Delaware and Chesapeake Bays.

Stripers reproduced in rivers and the brackish areas of estuaries. Spawning occurs from the spring to early summer, with the greatest activity occurring when the water warms to about 65 degrees F. The eggs drift in currents until they hatch 1 ½ to 3 days after being fertilized. Because newly hatched larvae are nearly helpless; striped bass suffer their highest rate of natural mortality during the several weeks after hatching.

The major spawning activity for the entire East Coast fishery occurs in the Hudson River, the Chesapeake Bay, and the Roanoke River-Albermarle Sound watershed. Striped bass are most abundant in the New England and Mid-Atlantic states following year when reproduction in the Chesapeake Bay has been particularly successful, suggesting that much of the East Coast is strongly dependent upon the success of spawning in that one watershed.

Striped bass eat a variety of foods, including fish such as alewives, flounder, sea herring, menhaden, mummichogs, sand lance, silver hake, tomcod, smelt, silversides, and eels, as well as lobsters, crabs, soft clams, small mussels, annelids (sea worms), and squid. They feed most actively at dusk to dawn, although some feeding occurs throughout the day. During midsummer they tend to become more nocturnal. Stripers are particularly active with tidal and current flows and in the wash of breaking waves along the shore, where, fish, crabs, and clams become easy prey as they are tossed about in turbulent water.

Striped bass populations have a history of periods of abundance interspersed with periods of scarcity. A major coast-wide reduction in abundance occurred at the end of the 19th century. No catches of stripers were reported north of Boston for 30 years after 1897. Populations had recovered somewhat by 1921, and an unusually successful year of reproduction in 1934 was followed by 6 years of markedly increased abundance. Great numbers of juvenile fish were recorded in Massachusetts waters in the mid-1940s, and high numbers of increasingly larger individuals followed for a period of years. Such information suggests that striped bass populations are dominated for extended periods by fish hatched during occasional years of unusually successful reproduction. Also, a year of successful reproduction is often followed by a series of years when spawning fails or is so limited in success that relatively few new fish enter the population. During the 1970s, the last peak year of reproductive success in the Chesapeake Bay was 1970 (note figure). Levels of reproduction were consistently low in the 1980s except in 1982 when modest numbers of juveniles were produced . Thus, most of the bass harvested in the during the 1970s and 1980s had come from the spawning effort of 1970. The recent extremely prolonged period of reproductive failure had caused a steady decline in striped bass abundance. The decline was reflected in decreasing success by anglers. For example, the estimated catch by anglers from the Gulf of Maine to the mid-Atlantic region fell from 6,600,000 pounds in 1979 to 1,700,000 pounds in 1985.


The decline in abundance of stripers coming from the Chesapeake Bay was felt to be caused by a combination of factors, including the presence of a variety of pollutants in spawning grounds, fishing pressure, and feeding and nutritional problems of larvae. Maryland Juvenile Index; 1954-2001

A rapidly changing management plan was developed in response to the severely depleted status of the striped bass. Prior to the mid-1970s, management of striped bass was carried out more or less independently by each coastal state. In 1979, Congress amended the Anadromous Fish Act to create the Emergency Striped Bass Study Program. In 1981, the Atlantic States Marine Fisheries Commission (ASMFC) adopted a coastwide management plan, to be acted upon by each coastal state. This plan recommended minimum size limits for fish caught in nursery rivers and in coastal areas, and restricted fishing on spawning grounds during the spawning season. In response to constantly dwindling numbers of stripers on the East Coast, this plan was amended (Amendment 3) in 1985 to protect females hatched in 1982 until they have spawned at least once. In 1985, several states imposed mortaria or began a progressive increase in minimum size limits scheduled to reach 38 inches in total length by 1990. Amendment 3 of the ASMFC's plan also stipulated that regulations protecting the 1982 year class would remain in place until the 3-year average of the Maryland's juvenile index (a measure of year class strength) exceeded the long-term average of 8.0.

The Maryland juvenile index value exceeded 8.0 in 1989 and initiated a new management regime. In late 1989, Amendment 4 to the ASMFC's plan was adopted. The basic premise of this amendment was that striped bass must be managed first to restore the spawning stock biomass and secondarily to support fishery yield. Under Amendement 4, the states were allowed to relax regulations and prosecute tightly controlled fisheries starting in 1990. Daily bag limits of one or two fish were imposed on the recreational fishery of all states and the commerical fishery was greatly reduced compared to historical levels. In addition, each state was required to monitor recreational catches and participate in fishery-independent monitoring or tagging studies used to estimate mortality.

Atlantic Coast Striped Bass Abundance

During 1992-1994, improvement in the spawning stock and successive high Maryland indices and other favorable indicators of stock status prompted the ASMFC to declared in 1995 that the Atlantic coast striped bass population had recovered as estimated stock abundance had increased from 5 million in 1982 to around 41 million. Amendment 5 was then adopted to address management of recovered stocks. The amendment has allowed slight increases in fishing mortality and has broadened states' options for meeting management goals while retaining the objectives of preventing overfishing and maintaining self-sustaining spawning stocks.

Massachusetts has adopted several regulations to help control fishing pressure on striped bass in coastal waters. As of August 2002, recreational anglers are allowed to harvest one fish per day per angler, but a fish has to be 28 inches or greater. Commercial fishing can take place with appropriate permits from July 3 (Sunday-Wednesday only) until the quota of about 802,000 pounds is reached. Commerical fishers are allowed to take 40 fish per day, but a fish has to be 34 inches or greater.

Recreational Fishery Regulations


Angling and Handling Tips
The striped bass is so highly prized for its size, battle on the line, and culinary merit, than many anglers consider it the premier game fish in Massachusetts. This species can be found from May to November along the entire Massachusetts coastline. Angling at dusk or dawn provides the greatest success during most of the season, but night fishing is often best during the midsummer "doldrums." Anglers are most successful when fishing the shoreline in areas where tidal rips, strong currents, or wave action create turbulent, "live" water.

Some anglers, who ply the beaches with swimming plugs and live eels, prefer the 10 to 12-foot surf rod and conventional reel spooled with 30 to 40-pound line. However, a medium to heavy spinning rod with 12 to 20-pound test line is considered ideal by many anglers for plugging, jigging, or offering bottom-fished baits to bass. Lures are attached directly to the line with a snap swivel. When bait fishing, the preferred rig consists of a pyramid sinker attached as a fish finder, and a long leader with a brightly colored float attached close to the hook. The float keeps the bait away from the bottom-dwelling crabs and skates.
Live lining of "herring," menhaden (pogies), or mackerel can be a very productive means of taking large bass. A fairly stiff boat rod with a conventional reel is the preferred rig. Baitfish is hooked through the back or snout using either a single or treble hook.

When trolling for bass adjacent to shoreline areas, the rod should be equipped with a high-ratio conventional reel and carboloy guides to prevent line wear. By choosing among monofilament, lead-core or wire lines, depths from the surface to the bottom can be trolled. Many lures, including swimming plugs, jigs, tubes, and umbrella rigs- as well as live herring and menhaden - lend themselves well to trolling for stripers.


Commercial Fishery Regulations

Species Season
Open - Close Size Limit Possession Limit

Striped Bass (4) All Year 28 in 2 fish

4) Bass must be kept whole, with head, tail and body intact - no mutilation permitted (other than evisceration). The discard of dead, legal size striped bass is prohibited. To prohibit the practice of high-grading, recreational fishermen may not retain legal-sized striped bass and release said fish in favor of another larger legal-sized striped bass captured subsequently. It shall be unlawful to keep striped bass alive in the water by attaching a line or chain to the fish or placing the fish in a live well or holding car


Current Landings & Quota


Commercial Fishery Reporting Requirements
Commercial bass fishermen are required to submit a catch report detailing their fishing activities during the commercial season. The report asks for sublegal and legal sized catch, as well as whether the catch was sold, released or consumed. In addition, for those fish sold, fishermen must list their transactions detailing the date, the dealer the fish was sold to (including dealer name and permit number) and the pounds per transaction. Note that the fishermen may only sell striped bass to dealers authorized by the Division of Marine Fisheries to buy directly from fishermen. Fish sold to unauthorized dealers is strictly prohibited. Furthermore, unreported transactions may be grounds for loss of the striped bass endorsement on your license.

This report is sent out with the renewal license at the end of the year and is due as a requirement to renew the license for the next year, regardless whether the license was fished or not. Please do not submit the report independently of your license renewal application unless you do not plan to renew the license.

Dealer Reporting Requirements
Dealers who wish to purchase striped bass directly from fishermen must receive authorization to do so from the Division of Marine Fisheries. Buying striped bass directly from fishermen without prior authorization is strictly prohibited.

Once a reporting system, otherwise known as Dial-a-Fish, at 1-800-532-3474. Note that every authorized dealer must report each week during the season even if they did not purchase any fish.

At the end of the striped bass commercial season, each dealer must submit a list of their transactions to the Division of Marine Fisheries, detailing transaction date, fisherman name and Massachusetts commercial permit number, and the total pounds bought per transaction. Dealers may use the sheets supplied with their authorizations, or provide a printout from in-house business software. If the transaction sheet is used, dealers should be sure to make copies of the blank in case more than one is needed over the course of the year. In either case, when submitting the transactions, be sure that this information is complete and legible. It is mandatory to list the Massachusetts commercial permit number of the fisherman for each transaction, not an in-house business identifier. This means that each dealer must confirm that they are buying fish from a Massachusetts commercial permit holder, which includes a striped bass endorsement and applies to the current year. Buying striped bass from fishermen who do not have a current Massachusetts commercial fishing permit with a striped bass endorsement is strictly prohibited.

If no fish were purchased at all during the season, a signed transaction sheet confirming such is still required. Failure to submit a transaction sheet at the end of the season will delay the renewal of your dealer's license for the next year.

Some states require striped bass to be tagged. Dealers shipping striped bass to these states are responsible for knowing the regulations of each state they are shipping to and acquiring tags on their own through Stoffel Seals Company. An order form will be sent to authorized striped bass dealers in the spring.

Tagging Studies

anchor tag inserted into a striped bass

Anchor tag being inserted into striped bass before being released

Tagging and long-term monitoring of tag recoveries improves understanding of distribution of and movement of Atlantic striped bass stocks and generates vital information about annual survival rates. A state-federal cooperative study, now the largest of its kind, has applied tags to more than 370,000 wild and hatchery striped bass since 1985. Massachusetts MarineFisheries began a striped bass tagging study in 1991 as part of this ongoing state-federal cooperative effort and has tagged and released over 5,000 fish. We employ skilled charterboat captains to guide and collect fish from shoal feedings grounds around Cape Cod. Our study furnishes the largest proportion of legal-size fish to this overall effort. Striped bass tagged in Massachusetts waters have been recaptured as far north as New Brunswick, Canada and as far south as Georgia, USA


One-year growth mark

Age and Growth Sampling
Atlantic coast states that harvest striped bass are required, as part of the interstate management process, to characterize their landings. Monitoring of age, size, and sex composition of both commercial and recreational catch and landings of striped bass is indispensable for identifying the need for constructive revisions to management strategies and for confirming estimates of population parameters. In Massachusetts we conduct annual sampling of the commercial harvest at seafood dealerships. Information collected from more than 9,500 striped bass beginning in 1982 include length, weight, sex and scales from each fish examined. We also conduct annual sampling of the recreational harvest at several striped bass tournaments. In 2001, we solicited volunteer recreational anglers to collect scales from harvested and released fish to boost our sampling coverage. We can observe annual "growth rings" on fish scales and use them to estimate age composition of the catches and rate of growth.

Striped Bass Diet and Bioenergetics

Food Habits of Striped Bass (Morone saxatilis) in Coastal Waters of Massachusetts.
Nelson, G.A., B.C. Chase and J. Stockwell. Journal of Northwest Atlantic Fisheries
Science, Vol 32, 2003.

For the past 17 years, our biologists have studied striped bass growth of striped bass caught along Massachusetts and have noted an apparent decline in average weight at age. Like wise, striper fishermen have repeatedly reported the appearance of 'thin' fish in their catches in recent years. As a result, the Sport Fish Program conducted a study during 1997-2000 to address the issues of forage needs of the recovered striped bass population and the potential impacts of striped bass consumption on economically-important prey species. This MarineFisheries research project was designed to provide diet information of striped bass and to build a computer-based bioenergetic model that allows us to estimate consumption rates of striped bass for any particular food item, such as river herring, menhaden, and even the commercially- important lobster. We collected diet information from over 3,000 striped bass collected from the North Shore, Cape Cod Bay, and Nantucket Sound regions of Massachusetts

Striped Bass gut contents displaying different sizes of prey

We found that, in general, striped bass consumed mostly fish (menhaden, herring, silversides, and sand lance) and invertebrates (crabs, sand shrimp, and sea fleas); however, the amounts eaten varied depending on the month of summer, fish length, and where the striped bass were captured. Large bass (>24 inches) generally ate more invertebrates (mainly lobsters and crabs) than small bass (<24 inches), but small bass ate more fish (mainly menhaden during August-September) than large bass. Striped bass captured from rocky shorelines or offshore waters generally ate more invertebrates than bass captured from estuaries or harbors.

We also found that the striped bass ate different sizes of prey. Fish prey ranged in size from 0.9" to 19" total length, and crab prey ranged in size from 0.1" to 4" carapace width. Individuals of menhaden and sand lance were generally <5" and the three dominant crabs (rock, green, and lady crabs) were generally 3" . American lobsters eaten by striped bass were 2" carapace length.

Using the bioenergetic model, we estimated that an "average" striped bass of six years (27 inches in length) must eat about 16 pounds of prey to gain 1 pound in weight during June-September in Massachusetts waters. Most energy contributing to the growth of this age class comes from different fish prey during June-July, but mainly from menhaden during August-September. These results confirmed the importance of fishes like menhaden to the survival and health of the striped bass population.

The next phase of the project will be to estimate the consumptive impact of striped bass on their prey. This task will require us to estimate the numbers of striped bass residing in Massachusetts waters and is expected to be completed by summer of 2002.

Courtesy of Massachussetts Division of Marine fisheries


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