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Additional comments on adult bull sharksCarcharhinus leucas (Müller and Henle), from Chesapeake Bay, Maryland

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Chesapeake Science

Abstract

Measurements comparable to those listed by Bigelow and Schroeder are recorded along with the proportional dimensions in percent of total length for an adult male and female bull shark,Carcharhinus leucas. These specimens were captured on successive days in the same pound net in Chesapeake Bay near Galesville, Maryland. Comments on gonad condition of the female, as well as the stomach contents, are included. Eels and white perch are added to the known food of this species. The pH of the stomach fluid was 3.7. Ten adult specimens have authentically been recorded (1956–1959) 61 to 119 miles above the mouth of Chesapeake Bay. Although no general pattern of unusually high water temperatures or salinities was noted for these years, speculation on the appearance of this species this far north is proposed, linked to the increased warming oceanic waters.

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  1. Chesapeake Biological Laboratory, Solomons, Maryland

    Frank J. Schwartz

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  1. Frank J. Schwartz
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Contribution No. 139, Maryland Department of Research and Education, Solomons, Maryland.

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Schwartz, F.J. Additional comments on adult bull sharksCarcharhinus leucas (Müller and Henle), from Chesapeake Bay, Maryland. Chesapeake Science 1, 68–71 (1960). https://doi.org/10.2307/1350539

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