American Shad
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Name and Code Family Alosidae - shads Species Alosa sapidissima Taxonomic Authority (Wilson 1811) Common Name(s) American Shad French Name alose savoureuse Species Code 062 Family TSN 161700 Parent TSN 161701 Species TSN 161702 Conservation Status Global Rank (GRank) G5 (2017-12-27) National Rank (NRank) N5B, N4N5N, N5M (2017-12-27) Provincial Rank (SRank) S1 (2009-02-03) COSEWIC Status none SARO Status none AFS Status none Status Notes none Ecological Value Ontario Origin native/introduced General Abundance rare Tolerance intermediate Economic Importance none Length-Weight Regression Coefficents Intercept (a) -5.3994 Slope (b) 3.2255 Length Basis TL				Habitat and Feeding General Habitat(s) marine Environment pelagic Trophic Class planktivore Thermal Regime coolwater Habitat Preference open waters; preferred water temperature range 13-18°C Reproduction Reproductive Guild Nonguarders: Open substratum spawners: Pelagophils Spawning Habitat(s) riverine Spawning Season spring Spawning Month(s) May-June Spawning Temperature (°C) 12-21 Fecundity 58,534-390,633 Nursery Habitat(s) riverine; estuarine Size and Age Adult Length (cm) 35.5-55.6 TL Adult Weight (kg) 0.5-1.8 Age at Maturity (yrs) 3-5 (m); 4-6 (f) Maximum Length (cm) 76.2 TL Maximum Weight (kg) 6.8 Lifespan (yrs) 8-13 Ontario Records Record Length (cm) 54.0 TL Record Weight (kg) none				Ontario Range Map Ontario Distribution annual spawning migration into the lower Ottawa River; attempted introduction to Lake Ontario failed, last reported in 1931 Photographs Notes anadromous life strategy
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