Effect of Temperature and Salinity on the Survival of Young Atlantic Menhaden, Brevoortia tyrannus

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Abstract
Survival of young Atlantic menhaden at different salinities and temperatures was studied in the laboratory. Fish were tested in the spring, summer, and early fall at high temperatures (25 to 36 C) and low (5 to 7‰), intermediate (15‰), and high salinities (31 to 34‰). In the late fall and early winter, tests were conducted at temperatures of 3 to 7 C and salinities of 10 and 26 to 30‰. Temperature had the greatest effect on survival; acclimation time also affected survival but to a lesser degree. Salinity did not appear to markedly affect survival time at the temperatures studied. Yearlings were more sensitive to high temperatures than were younger fish.

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