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Oyster Mortality Studies In Virginia. Ii. The Fungus Disease Caused By Dermocystidium Marinum In Oysters Of Chesapeake Bay, Jay D. Andrews, Willis G. Hewatt

VIMS Articles

A high death rate of oysters in Virginia waters during the warm months of summer and fall was reported by Hewatt & Andrews (1954b). One of the most important causes of this warm-season mortality is the fungus Dermocystidium marinum, a pathogen discovered in the Gulf of Mexico by Mackin, Owen & Collier (1950). The fungus is found along the coast of the Western Atlantic from Delaware Bay to Florida and on the coast of the Gulf of Mexico from Florida to Texas.

In Chesapeake Bay the disease was studied for pathogenicity to oysters, seasonal occurrence, distribution, and its effect on …

Distribution, Growth, And Availability Of Juvenile Croaker, Micropogon Undulatus, In Virginia, Dexter S. Haven

VIMS Articles

The shore fisheries of Virginia have long produced an important part of the nation's seafood supply. The principal fishing gears, the pound net and the haul seine, take a variety of fishes, of which the most important is the croaker, Micropogon undulatus. Prior to World War II from one-quarter to one-half of the landings of food fishes in Virginia consisted of croakers, and the catch reached a maximum in 1945 when more than 55 million pounds were landed (Fig. 1). Since that time the croaker catch has decreased precipitously, and in 1952, the latest year for which records are available, …