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Predation is a common cause of early life stage mortality in fishes, with reduced risk as individuals grow and become too large to be consumed by gape‐limited predatory fishes. Large‐bodied species, such as sturgeon, may reach this size‐refuge within the first year. However, there is limited understanding of what this size threshold is despite the value of this information for conservation management...
Predation on early life stages of Atlantic Sturgeon Acipenser oxyrinchus oxyrinchus (ATS) may be a constraint to species recovery. Due to the difficulty in assessing consumption of early life stages with traditional diet analysis methods, we pursued an alternative DNA‐based approach. We extracted total gut content from gastrointestinal tracts of 23 fish species (593 samples) within the tidal‐fresh...
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